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【单选题】
在三相四线制(380 V/220 V)线路上，当发生两相触电时，人体承受的电压是 ( )。A.
380V
B.
220V
C.
160V
D.
600V
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【简答题】葡萄糖-6-磷酸酶缺陷为什么有糖原贮积?
【单选题】According to the author, which of the following is true about British authors of children's literature in the mid-18th century?
A.
They believed that blacks were equal rather than different.
B.
A significant number of these writers were opposed to slavery.
C.
Their writing played a major role in all reforms of the 19th century.
D.
Most were not only talented story-writers but accomplished historians.
【多选题】对 “坚持一个中国原则,维护和平统一前景”理解正确的是( )。
A.
统一是历史大势，是正道 。
B.
“台独”是历史逆流，是绝路 。
C.
以最大诚意、尽最大努力争取和平统一的前景，因为以和平方式实现统一，对两岸同胞和全民族最有利。
D.
不承诺放弃使用武力，保留采取一切必要措施的选项，针对的是外部势力干涉和极少数“台独”分裂分子及其分裂活动，绝非针对台湾同胞。两岸同胞要共谋和平、共护和平、共享和平。
【简答题】Which is safer-staying at home, traveling to work on public transport, or working in the office? Surprisingly, each of these carries the same risk, which is very low. However, what about flying compar...
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