About gene-targeting drugs are already in testing pipeline. It won’t be long they are put into effect.
A. two dozen; before
B. two dozens; that
C. two dozens of; before
D. dozens; that
About gene-targeting drugs are already in testing pipeline. It won’t be long they are pu
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解决时间 2021-01-03 22:01
- 提问者网友：不爱我么
- 2021-01-03 17:32
最佳答案
- 五星知识达人网友：猎心人
- 2021-01-03 17:38
(答案→)A. two dozen; beforeB. two dozens; thatC. two dozens of; beforeD. dozens; that解析：句意：大约有12个基因有关的药物已经在测试中。在他们付诸实施之前不会很长时间的。dozen前有具体数字时，不加s,不加of,表虚数可指时加“s”，加“of”。第二空根据句意判断。故选A
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- 1楼网友：鱼芗
- 2021-01-03 18:35
谢谢解答
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