单选题AlexanderFlemingdiscoveredpenicil
答案:2 悬赏:50 手机版
解决时间 2021-01-30 14:28
- 提问者网友：浮克旳回音
- 2021-01-29 22:45
单选题
Alexander Fleming discovered penicillin in 1928．Otherwise, health care ________ as difficult as ever．A.would have been remainedB.would be remainedC.would have remainedD.would remain
最佳答案
- 五星知识达人网友：执傲
- 2020-11-02 06:50
D
全部回答
- 1楼网友：野味小生
- 2019-06-09 02:54
我好好复习下
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