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【判断题】
FTP协议的默认服务端口为31。A.
正确
B.
错误
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举一反三
【单选题】我某外贸企业于某月10日向斯里兰卡发邮件,限15日复到有效,对方于14日发邮件 接受通知,由于邮件服务器的故障,该外贸企业等到16日才完整收到接受邮件,事后该外贸企业并未表态,那么( )
A.
除非发盘人及时提出异议，否则，该逾期接受仍具有效力
B.
该逾期接受丧失接受效力，合同不成立
C.
只有发盘人毫不迟疑地表示确认，该通知才具有接受效力，否则合同不成立
D.
只有发盘人发出接受通知，合同才成立
【单选题】If the exhaust gas temperature of the incinerator is too high, or if sparks are developed, what should you do?
A.
Close the inlet and outlet valves for diesel oil
B.
Open the air nozzles in the secondary combustion chamber until it stops
C.
Open the air nozzles in the primary combustion chamber until it stops
D.
Close inlet valve for the pressurized air.
【单选题】Operation of Detroit's trash incinerator, the largest in the nation, was halted last month, less than a year after it was put into service. The huge plant, which was designed to change waste into ener...
A.
There was too much trash.
B.
It was unhealthy.
C.
It was unable to convert waste into energy.
D.
It could not be regulated.
【单选题】If there is coming dark smoke out of the stack of the incinerator, what should you do?
A.
Open the air nozzles in the primary combustion chamber until it stops
B.
Open the air nozzles in the secondary combustion chamber until it stops
C.
Closc thc inlet and outlet valves for diesel oil
D.
Close inlet valve for the pressurized air.
【简答题】The young man was r______ by everyone for his bravery.
【单选题】The furnace of an incinerator should be _____before the auxiliary burner is lit.
A.
heated
B.
cleared of air
C.
purged
D.
cleared of water
【单选题】The young man was deeply hurt because his proposal was rejected and, to a certain extent, ______ at by the group's members.
A.
sneered
B.
smiled
C.
simulated
D.
stimulated
【单选题】The incinerator air fan is installed to supply air for the following except_____.
A.
combustion
B.
vaporization
C.
cooling
D.
dilution
【简答题】Tomorrow was his girlfriend’s birthday and the young man was having a difficult time deciding on a present for her. She already had more clothes than she knew what to do with them, so he couldn’t get ...
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