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【判断题】
低级伯胺和胺的沸点比相对分子质量和结构相近的烷烃高,但比醇低A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】The girl said that she _________ the film twice, so she didn' t want to go to the cinema with us.
【判断题】挖掘出的电缆或接头盒，如下面需要挖空时，应采取悬吊保护措施。电缆悬吊应每1～1.5m吊一道；接头盒悬吊应平放，不得使接头盒受到拉力；若电缆接头无保护盒，则应在该接头下垫上加宽加长木板，方可悬吊。电缆悬吊时，可用铁丝或钢丝等。
A.
正确
B.
错误
【简答题】A．She didn't go to the . B．She also left the early. C．She's also curious about who won the . D．She was sitting right behind the man at the .
【简答题】挖掘出的电缆或接头盒，如下面需要挖空时，应采取悬吊保护措施。电缆悬吊应每（）吊一道；接头盒悬吊应（），不得使接头盒受到拉力。
【单选题】If you intend using humor in your talk to make people smile, you must know how to identify shared experiences and problems. Your humor must be relevant to the audience and should help to show them tha...
A.
take advantage of different kinds of audience.
B.
make fun of the disorganized people.
C.
address different problems to different people.
D.
show sympathy for your listeners.
【单选题】Mary didn’t go to John’s birthday party because she ________.
A.
wasn’t invited
B.
didn’t invite
C.
isn’t invited
D.
didn’t be invited
【简答题】A．She didn't go to the . B．She also left the early. C．She's also curious about who won the . D．She was sitting right behind the man at the .
【单选题】挖掘出的电缆或接头盒，如下面需要挖空时，应采取悬吊保护措施。电缆悬吊应每（）m吊一道；接头盒悬吊应平放，不得使接头盒受到拉力；若电缆接头无保护盒，则应在该接头下垫上加宽加长木板，方可悬吊。电缆悬吊时，不得用铁丝或钢丝等，以免损伤电缆护层或绝缘。
A.
1；
B.
1.5；
C.
2.5；
D.
3
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