题目内容
The volunteers try to convince people _____ the fact that some species are in danger of _____.
| A．for; dying away | B．about; dying down |
| C．of; dying out | D．on; dying off |
C
第一空考查短语“是某人信服某事”convince sb of sth;第二空辨析短语die down 平息，die out 灭绝，die off 一个接一个死。句意：志愿者试图使人们相信有些物种处于灭绝的危险中。 选C
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