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【多选题】
下列有关TN-S接地系统,说法正确的是()。
A.
三相四线系统,属保护接零
B.
三相四线加PE线的接地系统
C.
中性线N与保护接地线PE在进户时共同接地后,不能再有任何电气连接
D.
中性线N带电,PE线不带电
E.
三相四线系统,不属保护接零
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【判断题】企业按规定提取的坏账准备,应记入财务费用。
A.
正确
B.
错误
【判断题】颌面部一般化脓性感染的局部表现为局部红、肿、热、痛、功能障碍。
A.
正确
B.
错误
【单选题】颌面部一般化脓性感染的局部表现为
A.
局部红、热、肿、痛、功能障碍
B.
局部软组织广泛性水肿
C.
局部剧烈疼痛,有脓肿形成
D.
张口受限,影响语言、咀嚼
【判断题】Tokyo is not a great city to live in for the food is expensive.
A.
正确
B.
错误
【单选题】When drafting the terms of quality, __________.
A.
we should set as many criteria of quality as possible
B.
we should set as few criteria of quality as possible
C.
we should specify the quality of a sample product
D.
we should specify the quality tolerance of the goods
【简答题】简述封闭式问题和开放式问题各自的优缺点?
【简答题】任务型阅读。 Some countries have large numbers of earthquakes. Japan is one of them. One of the most serious earthquakes in world history took place in Japan in 1923. The shock and fires caused by it destro...
【单选题】企业按规定提取的坏账准备,应记入 ( )账户。
A.
“财务费用”
B.
“营业外支出”
C.
“其他业务成本”
D.
“资产减值损失”
【简答题】阅读短文,完成各小题。 Some countries have large numbers of earthquakes. Japan is one of them. One of the most serious earthquakes in world history took place in Japan in 1923. The shock and fires caused by it d...
【判断题】上海国际汽车展览会既是专业性展览会又是消费性展览会
A.
正确
B.
错误
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