直到这个以前很常见的物种被报道濒临灭绝，相关当局才深信现在是迎接挑战而不是打退堂鼓的时候。（It，edge，convince，rise）It was not until this previously common species was reported to be on the edge of endangering that the authorities were convinced that it was time to rise to the challenge rather than retreat.It was not until this previously common species was reported to be on the edge of endangering that the authorities were convinced that it was time to rise to the challenge rather than retreat.
【考点】固定搭配/句型．
【答案】It was not until this previously common species was reported to be on the edge of endangering that the authorities were convinced that it was time to rise to the challenge rather than retreat.
【解答】
【点评】
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发布：2024/4/20 14:35:0组卷：5引用：1难度：0.9
