题目内容

The word "them" underlined in Paragraph 2 means______.

A. assumptions
B. leaders
C. exceptions
D. traits

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The word "context" underlined in Paragraph 1 means______.

A. setting
B. limit
C. generality
D. work

Which of the three approaches tended to later gain most acceptance?

A. situation
B. trait
C. power
D. behavior

One impact that the burning of______fuels has had on the earth's environment has been the

A. vehicle
B. oil
C. gas
D. fossil

Earth observations should provide " value added " applications from existing environmental

A. as
B. to
C. for
D. with

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