If all the viruses on the planet were to disappear, a global catastrophe would ______, and the natural ecosystems of the earth w

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问题 If all the viruses on the planet were to disappear, a global catastrophe would ______, and the natural ecosystems of the earth would collapse in a spectacular crash under burgeoning populations of insects.

选项 A、varnish
B、disperse
C、contaminate
D、ensue

答案D

解析 varnish修饰,掩饰;disperse分散;contaminate污染;ensue跟着发生,继起。
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