Bicycles are a great way to get around. They are fun to ride, especially down hills. And, as you speed along the road, you might also think of ways in which you could improve your bike – make it safer, more efficient, or more comfortable. In fact, the two-wheeled machines make for some cool science projects.

This year’s Intel International Science and Engineering Fair (ISEF), held last May in Cleveland, had three bicycle projects from three countries. Like many of the other experiments presented at ISEF, the bike projects showed that some of the most interesting scientific research often begins by taking a closer look at things you care about.

Renato Angulo Chu had even grander ambitions. The 12th-grader from Lima, Peru, wanted to address some of his country’s economic troubles.

“I see a problem in my country,” Renato said, “If you go to the forests in Peru, in some places you can not find electricity. If you go with my bicycle, you can turn on the lights.”

Renato, 16, spent 3 years designing his special Multibike. The device looks like a fixed exercise bike. It has wires fixed along the frame and a blender fastened to the back. Turning the pedals operates the blender. The same principle can be used to sharpen knives or sweep city streets.

The Multibike can work either as a fixed bike or as a bicycle able to travel city streets and country road. It’s made from inexpensive materials, and the user gets exercise while pedaling to operate a machine.

“You pedal the bike, and you can mix any drink you want,” Renato said. More importantly, he added, the same concept could be used to bring light to houses in remote regions of the rainforest.

1. What can we learn from the first paragraph?

A. Bicycles are the best way to go about.

B. Bikes should be made more comfortable to ride

C. You can improve your bicycle for science research.

D. Many inventions are connected with the bicycle.

2. Which of the following is true according to the passage?

A. ISEF is an exhibition displaying bicycle experiments designed by students.

B. Looking closely at things you are concerned about can lead to scientific research

C. Renato’s improvement of the bicycle has solved the country’s great problem.

D. Renato’s special bicycle will soon be put into use in remote areas.

3. The underlined word “address” in the third paragraph probably has the same meaning as _______.

A. make address written                   B. give up    C. work at    D. speak at

4. Renato’s special Multibike has all the following functions except ______.

A. making knives sharp

B. mixing any kind of drinks

C. producing electricity

D. operating a machine with its own electricity

5. It can be inferred that Renato’s special bicycle is mainly designed for ______.

A. distant areas in the rainforest without electricity

B. the use of his own family to make life easier

C. the competition of ISEF to win money to support remote rainforests

D. enough exercise by pedaling it.

 

Edie was nine years old, and she was tinier than other children of her age. One day, she ran home crying loudly, because she was   36   by the three new girls of her school. They picked her as the object of their   37   and threatened to beat her up. Edie’s mother held her   38   and comforted (安慰)her. She 39  the next day that the girls had been troublemakers at several other schools and they were being given one more   40    at a new beginning.

Edie’s _41  said ,“Be kind to your enemies, Edie.”She _42  said, “When the girls 43   to threatened you next time ,tell them you want to be their friend.”“Are you 44  enough to do that?”Edie’s mother asked. The   45  girl answered, “Yes, Mom, I’ll try.”

Every day, the girls pushed Edie and called her names and  46  to get in a poke(戳) or two. Each time, Edie looked up at them and said, “ I’d really like to be your 47 . ”But it seemed that this wasn’t working.

Then one day the following week, Edie ran home as 48   as she could , shouting ,“Mom, guess what happened today ! Just like I 49 did, I said I’d really like to be their friend, and one of the 50  said ,‘Okay, Edie, we  51  and we’ll be your friends’”A short time later, Edie sat at a table with them and  52   their tutor (私人教师).

Towards the end of the school year,   53    Edie’s parents went to school for a parent-teacher conference, the teacher told   54   ,“Because of Edie’s kindness, those girls have completed 55   and are model students in the class.”

1. A. frightened         B. encouraged         C. cheated         D. saved

2. A. shame            B. surprise            C. anger           D. fear

3.A. suddenly          B. unwillingly         C. curiously        D. softly

4.A. expressed         B. admitted               C. learned         D. believed

5.A. time              B. chance             C. lesson          D. trouble

6. A. sister             B. father               C. mother          D. teacher

7.A. again           B. also               C. once           D. just

8. A. start              B. agree                C. refuse          D. forget

9.A. kind              B. brave             C. strong           D. clever

10.A. weak             B. foolish            C. selfish           D. tiny

11.A. chose             B. promised          C. volunteered     D. tried

12. A. friend             B. classmate          C. enemy         D. neighbor

13. A. fast              B. carefully           C. late            D. safely

14. A. never            B. seldom               C. always         D. often

15. A. boys             B. students              C. players        D. girls

16. A. grow older        B. give up            C. set off         D. become worse

17. A. became           B. helped               C. invited         D. found

18.A. if                  B. when               C. because         D. before

19. A. her               B. him             C. us              D. them

20.A. stayed up         B. broken down      C. turned around     D. fallen behind

 

You’d better     smoking, or you will get ill.

A. give out                      B. give up           C. give away         D. give off

 

How to Be Polite at a Dinner Party?

    It’s not polite to arrive at a dinner more than 15 to 20 minutes late. The host or hostess usually waits for all the   21   to arrive before serving the meal. If someone is late，the food may be spoiled(变味)，and   22   may the host or hostess’ spirits．If you have to be   23  ， call and tell them to start   24   you．

    It’s even worse to be early! The host or hostess will probably not be   25   ．If you are early，drive or walk around the block a few times，or just sit in your car until the right time．

    Though it’s often   26   to arrive at a party on time，on the other hand，the host or hostess   27   guests to arrive and leave between certain times，so you can   28   at any time between the times he or she gives you．

    It’s nice to bring an empty stomach，but it’s even nicer to bring   29   present．The present should not cost a lot，or you might make the host or hostess   30   ．Flowers，wine，or a box of candy will be fine．  31   bring money as a present．In an introduction，the  32   of a name is：(1)the given name；(2)the family name．In other   33  ，the given name comes   34  . It’s important not only to learn and remember   35   ，but to repeat them often in conversation．After the introduction，we usually call friends by their   36   names．Older people may want you to call them by their titles and family names，such as “Mrs. Smith”，“Mr. Johnosn”，“Dr .Brown”.

A maiden(闺女)name is a   37  family name at birth. In the United States and Canada，after a woman    38   ，she takes the family name of her   39  in place of her maiden name．It is now becoming common，however，for women to  40   their maiden names after they get married,

1..A．guests           B. visitors      C. customs      D. passengers

2..A．or               B. so            C. but         D. yet

3..A．tired        B. hungry       C. 1ate         D. early

4..A．without       B. for          C. with        D. after

5..A．awake        B. ready        C. up           D. friendly

6..A．useless       B. impossible   C. unable       D. important

7.．A．forces       B. invites      C. begs         D. orders

8..A．play          B. fly          C. arrive       D. start

9..A．a big        B. a small      C. a good       D. an expensive

10..A．pleased      B. satisfied    C. interested       D. uneasy

11..A．Never            B. Always      C. Do           D. Be sure to

12..A．spelling    B. calling      C. order    D. pronunciation

13..A．words            B. 1etters      C. idioms       D. sentences

14..A．1ast        B. first        C. finally     D. in the middle

15..A．expressions      B. appearances  C. names        D. addresses

16..A．given            B. family       C. middle       D. pen

17..A．gentleman’s     B. boy’s       C. woman’s     D. man’s

18..A．works        B. marries      C. bears       D. dies

19..A．husband      B. mother       C. father       D. sister

20..A.  stop           B. give up      C. keep         D. find

 

It’s not polite to arrive at a dinner more than 15 to 20 minutes late. The host or hostess usually waits for all the ___1___ to arrive before serving the meal. If someone is late, the food may be spoiled(变味), and ___2___ may the host or hostess’ spirits. If you have to be ___3___ call and tell them to start ___4___ you.

It’s even worse to be early! The host or hostess will probably not be ___5___. If you are early, drive or walk around the block a few times, or just sit in your car until the right time.

Though it’s often ___6___ to arrive at a party on time, on the other hand, the host or hostess ___7___ guests to arrive and leave between certain times, so you can ___8___ at any time between the times he or she gives you.

It’s nice to bring an empty stomach, but it’s even nicer to bring ___9___ present. The present should not cost a lot, or you might make the host or hostess ___10___. Flowers, wine, or a box of candy will be fine. ___11___ bring money as a present. In an introduction, the ___12___ of a name is: (1) the given name; (2) the family name. In other ___13___, the given name comes ___14___. It’s important not only to learn and remember ___15___, but to repeat them often in conversation. After the introduction, we usually call friends by their ___16___ names. Older people may want you to call them by their titles and family names, such as “Mrs Smith”, “Mr Johnson”, “Dr. Brown”.

A maiden(闺女) name is a ___17___ family name at birth. In the United States and Canada, after a woman ___18___, she takes the family name of her ___19___ in place of her maiden name. It is now becoming common, however, for women to ___20___ their maiden names after they get married.

1. A. guests     B. visitors       C. customs      D. passengers

2. A. or   B. so       C. but     D. yet

3. A. tired       B. hungry       C. late     D. early

4. A. without  B. for      C. with    D. after

5. A. awake    B. ready  C. up      D. friendly

6. A. useless    B. impossible  C. unable D. important

7. A. forces     B. invites C. begs    D. orders

8. A. play       B. fly      C. arrive  D. start

9. A. a big      B. a small       C. a good       D. an expensive

10. A. pleased B. satisfied     C. interested   D. uneasy

11. A. Never   B. Always       C. Do      D. Be sure to

12. A. spelling       B. calling       C. order  D. pronunciation

13. A. words   B. letters C. idioms       D. sentences

14. A. last       B. first    C. finally D. in the middle

15. A. expressions  B. appearances       C. names D. addresses

16. A. given    B. family C. middle       D. pen

17. A. gentleman’s  B. boy’s  C. woman’s    D. man’s

18. A. works   B. marries      C. bears   D. dies

19. A. husband       B. mother       C. father  D. sister

20. A. stop      B. give up      C. keep   D. find