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

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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