It said the country's confirmed H7N9 cases were isolated and there has been no of human-to-human transmission.
A. mark
B. symbol
C. sign
D. signal
It said the country's confirmed H7N9 cases were isolated and there has been no of human-to
答案:2 悬赏:50 手机版
解决时间 2021-12-29 20:12
- 提问者网友：难遇难求
- 2021-12-29 11:34
最佳答案
- 五星知识达人网友：行路难
- 2021-12-29 12:31
A. markB. symbol(答案→)C. signD. signal解析：考查名词辨析：A. mark记号B.symbol 象征C.sign迹象D.signal信号，句意：据说这个国家的确认H7N9病例被隔离,没有任何迹象表明人际间的传播。选C。
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- 1楼网友：像个废品
- 2021-12-29 13:05
我也是这个答案
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