题目内容

It can be inferred from the last paragraph that the self-correcting process in science requires______.

A. strict controls
B. individual wisdom
C. persistent innovation
D. shared efforts

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The word their in paragraph 5 refers to

A. resources
B. trees
C. insects
D. logs

It can be learned from Paragraph 3 that the public-sector unionization is______.

A. currently compulsory but beneficiary
B. beneficiary but not necessary
C. optional but popular
D. voluntary but ignored

The word signaled in paragraph 4 is closest in meaning to

A. followed
B. announced
C. concluded
D. delayed

The distribution pattern of individuals within a population's geographical boundaries is known as

A. population ecology
B. population density
C. population change
D. population dispersion

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