题目内容

______ human beings depend to a great extent on forests, every effort must be made to preserve trees and wildlife.

A. If
B. Unless
C. Until
D. Since

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______ he was caught cheating on the exam, Oliver had been considered to be an honest boy.

A. When
B. After
C. Although
D. Before

Not long after Galileo’s time, Newton invented another kind of telescope ______ mirrors instead of lenses.

A. which used
B. in which he used
C. that he used
D. in that he used

______ him as a writer I don’t like him as a man.

A. Much I admire
B. Much as I admire
C. As much I admire
D. As I admire much

I punish the child ______ he should make the same mistake again.

A. as
B. because
C. lest
D. unless