cloning human embryos is not legal in many countries, some scientists are already pushing ahead with research in order to produce a cloned human baby.
A. While
B. When
C. Since
D. if only
cloning human embryos is not legal in many countries, some scientists are already pushing
答案:2 悬赏:60 手机版
解决时间 2021-04-09 16:33
- 提问者网友：城市野鹿
- 2021-04-08 16:33
最佳答案
- 五星知识达人网友：老鼠爱大米
- 2021-04-08 16:57
(答案→)A. WhileB. WhenC. SinceD. if only解析：考查连词：A. While虽然,B. When当…时候，C. Since既然D. if only 但愿，句意：虽然克隆人类胚胎是违法的，但一些科学家已经在努力推进研究为了制造克隆的人类婴儿。选A。
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- 1楼网友：西岸风
- 2021-04-08 17:03
谢谢了
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