题目内容

Living green will help people toall the resources available to live within our ecological means.

A. minimize
B. optimize
C. radicalize
D. polarize

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All his ideasthis policy are derived from his past learning experiences in Russia.

A. underlying
B. that underlies
C. underlay
D. underlain

When he got an anonymous letter, he knew it was impossible for him to escape from what he had been.

A. dreadful
B. dreaded
C. dreading
D. dread

He is a man of principle. That is why he alwayswhat he believes to be right.

A. conforms to
B. leads to
C. gives rise to
D. adheres to

Now the ecosystem is sothat the balance will be broken sooner or later if we keep exploiting nature.

A. fragile
B. resilient
C. sensitive
D. fruitive

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