- I’m dead tired. I can’t walk any farther, Jenny. - , Tommy. You can do it! A．No problem B．No hurry C．Come on D．That’s OK 题目和参考答案——青夏教育精英家教网—

题目内容

— I’m dead tired. I can’t walk any farther, Jenny.

— _______, Tommy. You can do it!

A．No problem B．No hurry C．Come on D．That’s OK

【答案】

【解析】

试题分析：考查交际用语：No problem 没问题，No hurry 不急，come on 意为“加油”。 That’s OK没关系，句意是：--我累死了，我不能再走了，--加油，你可以做到的。选C。

考点：考查交际用语

点评：情景交际的考查关键在于理解上下文语境，同时要注意辨析选项的意思，平时多熟记交际用语，尤其是一些与汉语相差较大的表达。做这类试题，要求同学们按照所给的情景，选择最佳问句或答句，完成题目。要想做好这类题目，关键是平时要养成讲英语的良好习惯，努力提高口语水平，熟练掌握日常会话项目中常用的问答语。

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Choe suspects that when an Argentine ant dies, the chemical that says “Wait- I’m not dead yet” quickly goes away. Once that chemical is gone, only the one that says “I’m dead” is left. “It’s because the dead ant no longer smells like a living ant that it gets carried to the graveyard, not because its body releases new unique chemicals after death,” said Choe. When other ants detect the “dead” chemical without the “not dead yet” chemical, they drag away the body.
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51. The underlined word “twist” in Paragraph 3 means _____.
A. an unexpected change                              B. a clear mistake
C. an important key                                        D. a shocking conclusion
52. Ants judge whether another one is dead or not depending on ______.
A. the sense of taste                                      B. the sense of smell
C. the sense of touch                                               D. the sense of sight
53. The result of the research can be used to ______.
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B. solve the problem of endangered species
C. prevent further expansion of the ants’ territory
D. keep the balance of nature
54. Why is it important to remove dead individuals?
A. Because it is easier to manage the living.
B. Because it can save money to deal with the waste.
C. Because it can provide more space for the living.
D. Because it can keep the living from suffering disease.
55. What might be the best title of the text?
A. Dead or living? It is easy to judge
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One scientist recently came up with a way to explain this ant behavior. Dong-Hwan Choe is a biologist. Choe found that Argentine ants have a chemical on the outside of their bodies that signals to other ants, “I’m dead—take me away.”

But there’s a twist to Choe’s discovery. Choe says that the living ants—not just the dead ones—have this death chemical. In other words, while an ant crawls around, perhaps in a picnic or home, it’s telling other ants that it’s dead.

What keeps ants from dragging away the living ants？Choe found that Argentine ants have two additional chemicals on their bodies, and these tell nearby ants something like, “Wait—I’m not dead yet.” So Choe’s research turned up two sets of chemical signals in ants: one says, “I’m dead,” and the other set says, “I’m not dead yet.”

Other scientists have tried to figure out how ants know when another ant is dead. If an ant is knocked unconscious, for example, other ants leave it alone until it wakes up. That means ants know that unmoving ants can still be alive.

Choe suspects that when an Argentine ant dies, the chemical that says “Wait-I’m not dead yet” quickly goes away. Once that chemical is gone, only the one that says “I’m dead” is left. “It’s because the dead ant no longer smells like a living ant that it gets carried to the graveyard, not because its body releases(释放) new unique chemicals after death,” said Choe. When other ants detect the “dead” chemical without the “not dead yet” chemical, they drag away the body.

Understanding this behavior may help scientists figure out how to stop Argentine ants from invading new places and causing problems. Choe would like to find a way to use the newly discovered chemicals to spread ant killer to Argentine ant nests.

The ants’ removal behavior is important to the overall health of the nest. “Being able to quickly remove dead individuals and other possible sources of disease is extremely important to all animals living in societies, including us,” says Choe. “Think about all the effort and money that we invest daily in waste management.”

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A．an unexpected change B．a clear mistake

C．an important key D．a shocking conclusion

2.Ants judge whether another one is dead or not depending on .

A．the sense of taste B．the sense of smell

C．the sense of touch D．the sense of sight

3.The result of the research can be used to .

A．kill troublesome pests

B．solve the problem of endangered species

C．prevent further expansion of the ants’ territory

D．keep the balance of nature

4.Why is it important to remove dead individuals?

A．Because it is easier to manage the living.

B．Because it can save money to deal with the waste.

C．Because it can provide more space for the living.

D．Because it can keep the living from suffering disease.

5.What might be the best title of the text?

A．Dead or living? It is easy to judge

B．Pulling away the dead ants is a difficult task

C．Ant nests have great undertaking capacity

D．Leaving it alone or taking it away? Ants feel puzzled

— I’m dead tired. I can’t walk any farther, Jenny.

— _______, Tommy. You can do it!

A．No problem

B．No hurry

C．Come on

D．That’s OK

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A．the boys would never play with him

B．the boys would treat him as usual

C. he would hardly hear any praise from the boys

D．he would be laughed at by the boys endlessly

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A．excitement B．relief C．anxiety D．anger

3.What did the other kids do after the incident?

A．They offered him dry clothes．

B．They laughed at the boy rudely,

C．They helped the boy do the cleaning．

D．They urged the boy to get out angrily,

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A．The boy asked her to do so．

B．She just did it by accident．

C．The teacher tripped her on purpose．

D．She knew the boy's embarrassment．

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