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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

In Hidden Lessons, the author thinks it is unnecessary for us to care about nature when we have modern technology?

A. True
B. False

(Unit8阅读理解)"Miceandratsarepoisonedortrapped,whilethegardenerwagesanever-endingstrugglewithragweed,dandelions,slugsandroot-rot."Whatismeantby"anever-endingstruggle"inthissentence?

A. Theproblemsfacedbythegardenerseemimpossibletocompletelyovercome.
B. Thegardenershavetofightina real long-lastingwar.
C. The war between the gardeners and the rats isimpossibletoendsoon.
D. Thegardensarethewarfieldsothegardenersbecomesoldiers.

The reality _____________ what we hoped.

A. runs counter to
B. runs counter against
C. sticks to
D. stayed in touch

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