超星 - unit4 TextA课前 - 查题吧

单选题

From the author's viewpoint, what is the most urgent thing to protect the environment?

A. good information
B. raise people's awareness
C. sound policy ideas
D. better technology

多选题

From the author's opinion, the healthy nature is

A. a set of essential material assets
B. optional nicety
C. a luxury
D. a necessity

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