There are fifty states in the United States. The largest in population is California, the largest in area is Alaska. Alaska is the smallest in population and Rhode Island is the smallest in size. The oldest states are the ones along the Atlantic coast. The newest states are Alaska and Hawaii. Alaska is also the coldest state. California and Florida are the warmest. Henry and his family live in Seattle, a big city, on the Pacific coast. But Los Angeles and San Francisco, also on the Pacific coast, are larger than Seattle. Henry's cousin, Susan, lives in New York. It is the largest city in the United States. Thousands of people visit New York each year. The most important city in the United States is Washington, D. C．It is the capital, but it is much smaller than New York.

1．How many states are there in the U. S. A．?

A．Five          B．Forty- Five.      C．Fifty         D． Fifteen.

2．Which state is the largest in population?

A．California.     B．Rhode-Island.    C．Alaska        D．Los Angeles.

3．Which state is the coldest, the newest, and the smallest in population?

A．Rhode Island.   B．Seattle.         C．San Francisco.  D． Alaska.

4．Which of the following is true?

A．The oldest states are the ones along the Pacific coast.

B．Washington is the most important and the largest city.

C．New York is the largest city in the United States.

D．Henry's cousin lives in the Seattle.

5．Why is Washington, D. C．the most important American city? Because ___.

A．it is the largest city                           B．it is the largest in population

C．it is the most beautiful city                     D．it is the capital of the United States

There is a definite（绝对的） possibility that the climate（气候） of the world may be changing. Some scientists imagine that this could even mean the beginning of another ice age. The effects of such a change in climate on the human population of the world would be startling（惊人的）.

Recent research suggests that the general warming trend（趋势） of the past hundred years or so may be coming to an end. During the past ten years, meteorologists tell us the average temperature of the earth has dropped about one degree Fahrenheit. This does not seem like much, but it could have effects on wind and rain patterns which influence the overall weather picture. If these patterns（形式） change a lot, it could mean that certain regions of the world may continue to have long droughts（干旱） while others will possibly suffer from widespread flooding.

What regulates（调节）the climate is not exactly known. Meteorologists believe that clouds may be an important factor（因素） in regulating the amount of solar（太阳的）heat held by the earth, which in turn determines the temperature of the planet. Another possibility is that man’s industrial and agricultural methods may be affecting the natural weather patterns. However, the weather is not understood well enough for scientists to say for certain what is happening to the climate and what side effects this will actually have on the word’s population.

1．According to the text, the climate of the world seems to ______.

A．be getting colder

B．be getting warmer

C．remain the same in the past ten years

D．have good effects on the world’s population

2．According to what you have read, which of the following is true?

A．Man’s activities have no effect on the climate.

B．Another ice age will come soon.

C．People don’t care about the changing climate.

D．Scientists are not yet sure about the reason for the changing climate.

3．A meteorologist is a person who ______.

A．reads weather forecasts on radio or television

B．thinks there will be another ice age

C．studies and knows about the weather

D．believes there will be widespread flooding

4．Which of the following may be factors that affect the natural weather patterns?

A．Clouds

B．The amount of heat the earth receives

C．Man’s industrial and agricultural methods

D．All of the above

5．A best title for the text would be ______.

A．Droughts and Floods           B．Meteorologists 

C．Changing Climate             D．Solar Heat

翻译词汇。

1．advise    ________

2．collect    ________

3．bleed     ________

4．behave    ________

5．anxious   ________

6．in brief            ________________

7．apologize to sb. for… ________________

8．take care of         ________________

9．on one’s behalf      ________________

10．make a breakthrough ________________

1．我会尽我最大努力来帮助你。

I’ll ________ ________ ________ to help you.

2．这个男孩属于一年级歌唱队。

The boy ________ ________ the singing group of Grade One.

3．你走得太快了，我赶不上你。

You walked so quickly that I can’t ________ ________ _______you．

4．我不能同意你的意见。

I can’t ________ ________ your opinion.

5．带把雨伞去，以防下雨。

Take an umbrella ________ ________ it rains.

6．妈妈允许我星期天看电视。

My mother ________ me ________ watch TV on Sunday.

7．学生们应专心致志地学习。

Students should ________ themselves ________ their study.

8．她突然哭起来。

She ________ ________ tears.

9．请往水里加些盐。

Please ________ some salt ________ the water.

Nobody can tell _____ the future world will look like.

A. how             B. what           C. when            D. where

Whoever leaves the lab last, _____ all the lights are turned off.

A. make sure           B. make sure of            C. be sure               D. be sure of

People _____ much more by their gestures than by their words.

A. give in              B. give out             C. give up              D. gave away

He was born in Beijing and _____ by his grandma in a seaside village.

A. brought in            B. brought out                C. brought up               D. brought back

— We’ll go to climb the mountain this weekend. Would you like to join us?

— _____

A. That sounds fine to me.                                B. It’s really hard work.

C. What do I need to prepare?                           D. What may I expect?

It’s been years since I _____ myself so much.

A. enjoy           B. enjoyed             C. have enjoyed                  D. had enjoyed