题目内容

为了充分利用水能,尾水管的动能回复系数越大越好

A. 对
B. 错

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（Unit8 阅读理解）"... then when children see the great virgin forests of the Queen Charlotte Islands being clear-cut, they will feel physical pain, because they will understand that those trees are an extension of themselves." What does the writer mean by the idea of children seeing trees as "an extension of themselves"?

A. They feel such a closeness for a particular thing that they see it as part of themselves.
B. They think trees can extend to very far places.
C. They feel the trees can grow wildly and extensively.
D. They think they are covered up by the trees because there are too many of them.

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课文理解：The urban message kids get runs completely counter to what they are born with, a natural interest in other life forms. Just watch a child in a first encounter with a flower or an ant — there is instant interest and fascination. We condition them out of it.Question: What does the author mean by saying "we condition them out of it"?

A. Being influenced by adults, children lose their interest in other life forms.
Being influenced by adults, children are out of control.
C. Being influenced by adults, children are out of school.
D. Being influenced by adults, children are out of work.

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（Unit8 阅读理解）"And when we struggelto retain a handful of California condors or whooping cranes, it's clearly not from a fear of ecological collapse, it's because there is something obscene and frightening about the disappearance of another species at our hands." What does "the disappearance of another species at our hands" mean?

A. We are holding some animals in our hands.
B. Some species are in extinction because we are not feeding them.
C. Some speicies can not be seen because we are covering our eyes with our hands.
D. We are directly responsible for the extinction of endangered speicies.

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In city apartments and dwellings, the presence of cockroaches, fleas, ants, mosquitoes or houseflies is guaranteed to elicit the spraying of insecticides. Mice and rats are poisoned or trapped, while the gardener wages a never-ending struggle with ragweed, dandelions, slugs and root-rot. We have a modern arsenal of chemical weapons to fight off theseinvadersand we use them lavishly.The following are invades except________.

A. cockroaches
B. mice and rats
C. dandelions
D. gardeners

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为了充分利用水能,尾水管的动能回复系数越大越好

A. 对 B. 错

A. 对
B. 错