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Peking Man, the earliest human ancestor that lived in China between roughly 200,000 or 750,000 years ago, was a wood-working and fire-using man. The man unimaginable liked to drill holes into objects for unknown reasons. Later, some new discovery painted a picture of a human ancestor who was many more complicated than previously believed.

Peking Man first discovered in 1923 in a cave near the village of Zhoukoudian, close to Beijing. During World War Two, fossils of Peking Man went missed. Researchers do some lab work including using microscopes to look at artifacts made by Peking Man. Beside, scientists were still trying to determine the details. Finally, the analysis showed that what Peking Man had the interest in clothes and that some tools were used for removing animal skins.

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2. or¡úand

3. unimaginable¡úunimaginably

4. discovery¡údiscoveries

5. many¡úmuch

6. firstÇ°¼Ówas

7. missed¡úmissing

8. do¡údid

9. Beside¡úBesides

10. PekingÇ°µÄwhatÈ¥µô

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¡¾ÌâÄ¿¡¿Once upon a time, there was a man from the State of Chu who loved his sword very much. One day, he was sitting in a boatpreparing to cross a river¡¾1¡¿ heaccidentallydropped his sword into the water.¡¾2¡¿the ship moving fast on and the water running, the people on board reminded that he should go into the water to find his beloved sword back. The man felt in great¡¾3¡¿( anxious) too. However, he turned a deaf ear to that and instead, he¡¾4¡¿(immediate) took out a knifeand made a notch£¨¿ÌºÛ£©on the side of the boat¡¾5¡¿his dear sword fell. The people wondered why he did so. He said proudly the notch could help¡¾6¡¿(get) his sword back. Shortly after the¡¾7¡¿(arrive) at the shore, he entered the water just beneath the notch he made. Though¡¾8¡¿(spend) rather a long time, he returned empty-handed.Without doubt, he was laughed at in public and his story became¡¾9¡¿well-known joke in China.

Today the idiom¡¾10¡¿(relate) to the story is used to describe a person who stick to rigid rules without considering a changing environment or describes an action made pointless by changing circumstances.

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¡¾ÌâÄ¿¡¿The ninth week of SEAL(Sea, Air, Land) training is referred to as Hell Week. It is six days of no sleep, physical and mental suffering and one special day at the Mud Flats (ÄàÕÓ£©where you will sink into the mud.

It is on Wednesday of Hell Week that we came down to the mud flats and spend the next 15 hours trying to survive the freezing-cold mud, the cold wind and the strong pressure from the instructors to give up.

As the sun began to set that Wednesday evening, my training class, having broken some of the rules, was ordered into the mud. We sank into the mud until only our heads could be seen. The instructors told us we could leave the mud if only five men would give up¡ªjust five men and we could get out of the cold.

Looking around the mud flat, it was clear that some of us were about to give up. It was still over eight hours till the sun came up--eight more hours of coldness. Our cries were so loud that it was hard to hear anything. And then, one voice began to fly through the night--one voice raised in song.

The song sounded terrible, but it was sung with great power. One voice became two, and two became three, and before long everyone in the class was singing.

We knew that if one man could rise above the suffering then others could as well. The instructors warned us of more time in the mud if we kept up the singing¡ªbut the singing went on and on. And somehow, the mud seemed a little warmer, the wind a little weaker and the morning not so far away.

If I have learned anything in my time traveling the world, it is the power of hope. The power can change the world by giving people hope.

So, if you want to change the world, start singing when you're up to your neck in mud.

¡¾1¡¿What did the writer experience during Hell Week?

A. He suffered sleeplessness for one day.

B. He was physically and mentally crazy.

C. He went through some hard tests.

D. He sank into the mud for the week.

¡¾2¡¿Why did the class have the experience at the Mud Flat?

A. Because it was one of the training courses.

B. Because the weather was terribly bad.

C. Because the instructors were strict with them.

D. Because they wanted to break the rules.

¡¾3¡¿What did the class do when they were in the mud?

A. Five of them gave up.

B. They cried all the time.

C. Someone sang from the beginning.

D. Everybody joined in the singing.

¡¾4¡¿What is probably the author¡¯s job?

A. A terrorist.

B. A soldier.

C. An instructor.

D. A trainer.

¡¾5¡¿What does the writer want to tell us?

A. Singing helps change the world.

B. Singing solves problems in life.

C. People should help each other.

D. Hope helps pull through difficulties.

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¡¾ÌâÄ¿¡¿¸ù¾Ý¶ÌÎÄÄÚÈݵÄÀí½â£¬Ñ¡ÔñÕýÈ·´ð°¸¡£ We produce 500 billion of plastic bags in a year worldwide and they are thrown away polluting oceans, killing wildlife and getting dumped in landfills where they take up to 1,000 years to decompose. Researchers have been unsuccessfully looking for a solution.
The 16-year-old Canadian high school student, Daniel Burd, from Waterloo Collegiate Institute, has discovered a way to make plastic bags degrade(½µ½â) in as few as 3 months, a finding that won him first prize at the Canada Wide Science Fair, a ¡ç10,000 prize, a ¡ç20,000 scholarship, and a chance to revolutionize a major environmental issue.
Burd's strategy was simple: Since plastic does eventually degrade, it must be eaten by microorganisms(΢ÉúÎï)£®If those microorganisms could be identified, we could put them to work eating the plastic much faster than under normal conditions.
With this goal in mind, he grounded plastic bags into a powder and concocted(µ÷ÖÆ) a solution of household chemicals, yeast(½Íĸ) and tap water to encourage microbes growth£®Then he added the plastic powder and let the microbes work their magic for 3 months£®Finally, he tested the resulting bacterial culture on plastic bags, exposing one plastic sample to dead bacteria as a control£®Sure enough, the plastic exposed(±©Â¶) to the live bacteria was 17% lighter than the control after six weeks.
The inputs are cheap, maintaining the required temperature takes little energy because microbes produce heat as they work, and the only outputs are water and tiny levels of carbon dioxide.
"Almost every week I have to do chores and when I open the closet door, I have piles of plastic bags falling on top of me£®One day, I got tired of it and I wanted to know what other people are doing with these plastic bags£®The answer: not much£®So I decided to do something myself." Said Daniel Burd.
£¨1£©Daniel Burd won first prize at the Canada-Wide Science Fair because ________.
A.he found a way to degrade plastics in shorter time
B.he contributed much to environmental protection
C.he found a new kind of microorganism
D.he could encourage microbe growth in an easier way
£¨2£©Daniel Burd exposed one plastic sample to dead bacteria to ________.
A.make the live bacteria work better
B.know which bacteria worked faster
C.test how effective his method was
D.control the temperature in the process
£¨3£©Maintaining the required temperature takes little energy because ________.
A.plastics can get hot easily
B.microbes can produce heat themselves
C.much carbon dioxide is produced
D.the temperature can be controlled
£¨4£©Daniel Burd got his idea from ________.
A.his school textbook
B.the failure of researchers
C.his everyday work
D.the practice of other people

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¡¾ÌâÄ¿¡¿¸ù¾Ý¶ÌÎÄÄÚÈݵÄÀí½â£¬Ñ¡ÔñÕýÈ·´ð°¸¡£ On the first day of school I brought my camera to school. I gave the students a piece of 8 ¡Á11 cardboard(Ö½°å), and asked them to write their names on both sides. As they finished, I asked them to get into groups of three to four students and took photographs of them holding their name cards.
After school, I developed the film and printed two sets of photos. That evening, I started to match the names with the faces. I kept one set of pictures at home for about a week so that I could review their names each night. On the second day of school, I put up the other set of photos as a bulletin board, with a title such as "Presenting Room 108, ¡­¡­"
The kids loved it! After I had learned all of their names I brought the second set back to school and stuck them onto an 8 ¡Á11 sheet of paper. I placed it in the classroom for other teachers.
The cardboard name cards that were made on the first day were collected and put on a shelf. From time to time, they were given back to the students and placed on their desks so that guests or supply teachers could identify all of the students.
I've been doing this with my grade 7 students for the last nine years and they liked it. It's fun to bring the photos out again at the end of the school year to see how much they have all changed in ten months.
£¨1£©The cardboards were used to ________.
A.play some kind of game
B.decorate the classroom
C.identify the students
D.print the photos on
£¨2£©The writer of the passage might be a ________.
A.head teacher
B.monitor
C.photographer
D.supply teacher
£¨3£©Why did the writer leave the second set of the photos at home?
A.To memorize the students' names at home.
B.To make cardboard name cards for supply teachers.
C.To make a bulletin board in the classroom.
D.To match the students' names with their faces
£¨4£©Which of the following is TRUE according to the passage?
A.The students didn't have to use the cardboard name cards to identify each other.
B.Other teachers couldn't identify the students without the cardboard name cards.
C.The writer kept the cardboard name cards as a souvenir for nine years.
D.The guests will know the students' names by reading the cardboard name cards.

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¡¾ÌâÄ¿¡¿¸ù¾Ý¶ÌÎÄÄÚÈÝ£¬´Ó¶ÌÎĺóµÄÑ¡ÏîÖÐÑ¡³öÄÜÌîÈë¿Õ°×´¦µÄ×î¼ÑÑ¡ÏѡÏîÖÐÓÐÁ½ÏîΪ¶àÓàÑ¡Ïî¡£ But still there is a danger that grows every year£®Airliners get larger. Some airplanes can hold over 300 passengers. And the air itself becomes more and more crowded. If one giant airliner crashed into another in mid-air 600 lives could be lost. Air traffic controllers tell the pilot exactly when to turn when to climb and when to come down£®The air traffic controllers around a busy airport like London-Heathrow may handle 2500 planes a day£®Not all of them actually land at the airport£®Many plane that flies near the airport comes under the orders of the controllers there. Recently such a disaster almost happened. One with 69 passengers had come from Toronto and the other with 176 passengers from Chicago, an air traffic controller noticed on his radar screen that the two planes were too close to each other. He ordered one to turn to the right and to climb. But he made a mistake. He ordered the wrong plane to do this. Fifteen seconds later it flew directly in front of the second plane. They avoided each other by the smallest part of a second. The distance between them was less than that of a large swimming pool.
A. Even a small mistake on their part could cause a disaster.
B. Two large jets were flying towards the airport.
C. Nowadays people like traveling more by air than by car.
D. Today air travel is far safer than driving a car on a bus motor-way.
E. This is an example of the danger that grows every year.
F. In a word air travel is more dangerous we should choose others.
G. From the moment an airliner takes off to the moment it lands, every movement is watched on radar screen.

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¡¾ÌâÄ¿¡¿Common public speaking problems

The use of ¡°I feel¡±, ¡°I think¡± and ¡°maybe¡±

In the question-and ¨Canswer session of the speaking competition, many contestants began their answers with uncertain expressions like ¡°I feel¡±, ¡°I hear¡±, ¡°maybe¡± and ¡°perhaps¡±. These words show that the person is only speaking from his or her point of view. ¡¾1¡¿

Work on keeping your answers brief and to the point. Also work on delivering them with calmness and confidence. Instead of the empty-sounding ¡°I guess¡±, using facts, together with a clear conclusion based on those facts, is far more likely to be popular with an audience.

¡¾2¡¿

Don¡¯t stick to the same tone. It can be boring. Try to mix it up. For example, when they spoke about their dreams, some sounded romantic. Others used humor. Very few used several different styles tighter. ¡¾3¡¿, rather than just sticking with the same one.

Irresponsible answers

¡¾4¡¿. you¡¯re responsible for your words. Even though you want to answer quickly, you don¡¯t want to sound foolish. So you should think twice before you talk. Don¡¯t be like the student who, when asked about his opinion on book piracy(µÁ°æ), started by saying he supported it.

Talking around the topic rather than directly answering it

You should focus on one point and give a clear solution. ¡¾5¡¿. is it asking you to discuss a certain topic or to present your own point of view?

Use one or two arguments together and give a strong conclusion. Remember that judges are not judging you on whether they agree, but on your ability to say what you think clearly.

A. Try mixing more than one style.

B. Improving your communication skill.

C. Using only one speaking style

D. It¡¯s important to involve your audience.

E. Public speaking is different from personal conversations.

F. The key is to work out what question is being asked

G. To the judges and audience, this lacks the support of facts and seems not to be reliable.

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¡¾ÌâÄ¿¡¿¸ù¾Ý¶ÌÎÄÄÚÈݵÄÀí½â£¬Ñ¡ÔñÕýÈ·´ð°¸¡£ For hundreds of millions of years, turtles (º£¹ê) have struggled out of the sea to lay their eggs on sandy beaches, long before there were nature documentaries to celebrate them, or GPS satellites and marine biologists to track them, or volunteers to hand-carry the hatchlings (Ó×¹ê) down to the water's edge lest (for fear that) they become disoriented by headlights and crawl towards a motel parking lot instead. A formidable wall of bureaucracy has been erected to protect their prime nesting on the Atlantic coastlines. With all that attention paid to them, you'd think these creatures would at least have the gratitude not to go extinct (die out).
But Nature is indifferent to human notions of fairness, and a report by the Fish and Wildlife Service showed a worrisome drop in the populations of several species of North Atlantic turtles, notably loggerheads, which can grow to as much as 400 pounds. The South Florida nesting population, the largest, has declined by 50% in the last decade, according to Elizabeth Griffin, a marine biologist with the environmental group Oceana. The figures prompted Oceana to petition the government to upgrade the level of protection for the North Atlantic loggerheads from "threatened" to "endangered"¡ª meaning they are in danger of disappearing without additional help.
Which raises the obvious question: what else do these turtles want from us, anyway? It turns out, according to Griffin, that while we have done a good job of protecting the turtles for the weeks they spend on land (as egg-laying females, as eggs and as hatchlings), we have neglected the years spend in the ocean. "The threat is from commercial fishing," says Griffin. Trawlers (which drag large nets through the water and along the ocean floor) and longline fishers (which can deploy thousands of hooks on lines that can stretch for miles) take a heavy toll on turtles.
Of course, like every other environmental issue today, this is playing out against the background of global warming and human interference with natural ecosystems. The narrow strips of beach on which the turtles lay their eggs are being squeezed on one side by development and on the other by the threat of rising sea levels as the oceans warm. Ultimately we must get a handle on those issues as well, or a creature that outlived the dinosaurs (¿ÖÁú) will meet its end at the hands of humans, leaving our descendants to wonder how creature so ugly could have won so much affection.
£¨1£©We can learn from the first paragraph that ________.
A.human activities have changed the way turtles survive
B.efforts have been made to protect turtles from dying out
C.government bureaucracy has contributed to turtles' extinction
D.marine biologists are looking for the secret of turtles' reproduction
£¨2£©What does the author mean by "Nature is indifferent to human notions of fairness" (Line 1, Para. 2)?
A.Nature is quite fair regarding the survival of turtles.
B.Turtles are by nature indifferent to human activities.
C.The course of nature will not be changed by human interference.
D.The turtle population has decreased in spite of human protection.
£¨3£©What constitutes a major threat to the survival of turtles according to Elizabeth Griffin?
A.Their inadequate food supply.
B.Unregulated commercial fishing.
C.Their lower reproductively ability.
D.Contamination(pollution) of sea water.
£¨4£©How does global warming affect the survival of turtles?
A.It threatens the sandy beaches on which they lay eggs.
B.The changing climate makes it difficult for their eggs to hatch.
C.The rising sea levels make it harder for their hatchlings to grow.
D.It takes them longer to adapt to the high beach temperature.

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¡¾ÌâÄ¿¡¿ÏÂÃæÊ®¸ö¾ä×Ó, ÿ¾äÖÐÓÐÒ»´¦´íÎó¡£´íÎóÉæ¼°Ò»¸öµ¥´ÊµÄÔö¼Ó¡¢É¾³ý»òÐ޸ġ£Ôö¼Ó£ºÔÚȱ´Ê´¦¼ÓÒ»¸ö©×Ö·ûºÅ£¨¡Ä£©, ²¢ÔÚÆäÏÂÃæд³ö¸Ä¼ÓµÄ´Ê¡£
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£¨1£©The student was very absorbed in reading the novel that he didn't sense that his teacher was just standing beside him.
£¨2£©Mrs. Brown was disappointed to see the washing machine she had had it repaired went wrong again.
£¨3£©¡ªExcuse me, sir, where is Room 301?¡ªJust a minute. I'll have Bob to show you to your room.
£¨4£©Mr. Carlos, as well as his three American friends, have been invited to our English corner.
£¨5£©¡ª How did she get infected? ¡ªShe had exposed to the viruses without any protection.
£¨6£©As soon as we got to the river bank, we are divided into three groups and got down to planting trees.
£¨7£©The doctors have tried their best but cannot cure him for the severe disease.
£¨8£©I'll take a place of Mr. Li to give you lessons because he is ill.
£¨9£©My uncle settled in Beijing and gradual set up his own business in the 1980s.
£¨10£©The Smiths arranged a company to organize the new couple's wedding.

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