题目内容

起爆药、击发药、火工品制造的场所，电气设备表面温度不得超过允许表面温度，且符合防爆电气设备的有关规定，优先采用()。

A. Ⅰ类B级隔爆型
B. 密封型
C. 防水防尘型
D. 防粉尘点火型

查看答案

搜索结果不匹配？点我反馈

更多问题

The Academy Awards Presentation always has a grand award ceremony in a theater.

A. Y
B. N
C. NG

查看答案

听力原文：W: How did you do on the math exam, Jack？
M: I barely made it. It was just a passing score but better than I had expected.
Q: What do we learn from the conversation？
(19)

A. Jack did better than he thought he was able to do.
B. Jack got an excellent score, which was unexpected.
C. Jack didn't pass, although he had tried his. best.
D. Jack was disappointed at his math score.

查看答案

总账账户平时只需结计月末余额,不需结计本月发生额。()

A. 正确
B. 错误

查看答案

根据上海证券交易所的有关规定，指定交易是指投资者与某一证券营业部签订协议后，指定该机构为自己买卖证券的唯一交易点。()

A. 正确
B. 错误

查看答案

起爆药、击发药、火工品制造的场所，电气设备表面温度不得超过允许表面温度，且符合防爆电气设备的有关规定，优先采用()。

A. Ⅰ类B级隔爆型 B. 密封型 C. 防水防尘型 D. 防粉尘点火型

The Academy Awards Presentation always has a grand award ceremony in a theater.

听力原文：W: How did you do on the math exam, Jack？M: I barely made it. It was just a passing score but better than I had expected.Q: What do we learn from the conversation？(19)

总账账户平时只需结计月末余额,不需结计本月发生额。()

根据上海证券交易所的有关规定，指定交易是指投资者与某一证券营业部签订协议后，指定该机构为自己买卖证券的唯一交易点。()

A. Ⅰ类B级隔爆型
B. 密封型
C. 防水防尘型
D. 防粉尘点火型

听力原文：W: How did you do on the math exam, Jack？
M: I barely made it. It was just a passing score but better than I had expected.
Q: What do we learn from the conversation？
(19)