题目内容

Tom’s little sister is a girl of great _______. She takes an interest in everything.

A. concern B. purpose C. curiosity D. strength

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Tom's little sister is a girl of great ________．She takes an interest in everything．

[　　]

A．concern

B．purpose

C．curiosity

D．strength

Are you a social butterfly, or do you prefer being at the edge of a group of friends? Either way, your genes and evolution may play a major 1 , US researchers reported on Monday.

While it may come as no surprise that genes may help explain 2 some people have many friends and others have 3 , the researchers said, their findings go just a little farther than that.

"Some of the things we find are 4 uncommon," said Nicholas Christakis of Harvard University in Massachusetts, who helped 5 the study.

"We find that how interconnected your friends are 6 on your genes. Some people have four friends who know each other and some people have four friends who don't 7 each other. 8 Dick and Harry know each other depends on Tom's 9 ," Christakis said in a telephone interview.

Christakis and colleague James Fowler of the University of California San Diego are 10 known for their studies that show obesity, smoking and happiness spread in networks.

For this study, they and Christopher Dawes of UCSD used national data that 11 more than 1,000 identical(同卵的) and fraternal（异卵的） twins’ genes. Because 12 share an environment, these studies are good for showing the impact that genes have 13 various things, because identical twins 14 all their genes while fraternal twins share just half.

"We found there appears to be a genetic tendency to introduce your friends 15 each other," Christakis said.

There could be good, evolutionary reasons 16 this. People in the middle of a social network could be secret to useful gossip, 17 the location of food or good investment choices.

But they would also be at risk of catching effects from all sides -- in which case the advantage would 18 more cautious social behavior, they wrote in the Proceedings of the National Academy of Sciences.

"It may be that natural selection is 19 not just things like whether or not we can resist the common cold, but also who it is that we are going to come into 20 with," Fowler said in a statement.

( ) 1. A. role B. rule C. roll D. pole

( ) 2. A. where B. why C. when D. how

( ) 3. A. a few B. several C. few D. some

( ) 4. A. generally B. mainly C. mostly D. frankly

( ) 5. A. conduct B. introduce C. conflict D. instruct

( ) 6. A. depends B. bases C. take D. put

( ) 7. A. see B. inspect C. learn D. know

( ) 8. A. When B. Where C. What D. Whether

( ) 9. A. genes B. brains C. appearances D. figures

( ) 10. A. much B. best C. very D. least

( ) 11. A. recorded B. illustrated C. described D. compared

( ) 12. A. brothers B. sisters C. twins D. cousins

( ) 13. A. with B. on C. for D. to

( ) 14. A. share B. have C. own D. show

( ) 15. A. into B. to C. in D. from

( ) 16. A. for B. with C. to D. at

( ) 17. A. in addition to B. due to C. as for D. such as

( ) 18. A. lie on B. bring in C. lie in D. send in

( ) 19. A. acting on B. putting on C. relying on D. sending on

( ) 20. A. contract B. face C. join D. contact

Uncle Tom gave little Vicki Black a birthday gift one week before her birthday. He told her not to open it until her birthday. She knew her mother wouldn’t tolerate any disrespect to the kind man who helped them out after Vicki’s father passed away; besides, Vicki didn’t want Uncle Tom to get angry. But little Vicky didn’t want to just hold it and guess what was in it. After all, she looked forward to his coming to show her interesting things, like how to turn an old sock into a doll.
All the day, Vicki couldn’t stop thinking about the gift while her teacher was giving a lecture. Vicki sat still in her seat, drawing paper dolls inside the box. When school was done, she raced home. Walking into the room, again, she shook the present, but she heard nothing. Holding her breath, she opened the box and looked inside. Seconds later, she cried. When Mrs. Black saw the box, she said angrily, “Didn’t I tell you to leave it alone?” Vicki sobbed and said, “Mommy, you don’t understand.”
“Don’t cry to me. You have missed everything now, just because you couldn’t wait,” Mrs. Black accused. “What will Uncle Tom think now?”
“Uncle Tom gave me nothing,” Vicki cried and handed the empty box to her mother. “He played a trick on me.”
Mrs. Black said doubtfully, “Uncle Tom is not like that. You must have dropped it.”
Vicki kept crying. Only a rapid knock on the door made the house quiet. It was Uncle Tom. He looked at the empty box. “You have already done it? I told you to wait for your birthday.”
“You didn’t give me a gift.” Fresh tears filled her eyes.
“I try to give you something. I know your birthday is a special day. I tell myself to give you something valuable to last your whole life. I think hard and get the idea to give you an important lesson. If you open it on birthday, I see you learn. Then I will make a big party to celebrate. Maybe next year you listen and then you will understand the gift better.
Vicki’s cheeks flushed（脸红）.
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【小题2】

【小题3】

【小题4】

Tom’s little sister is a girl of great _______. She takes an interest in everything.

A.
concern
B.
purpose
C.
curiosity
D.
strength

Tom’s little sister is a girl of great _______. She takes an interest in everything.

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