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【单选题】
The students in Grade Nine their homework for more than three hours every day, so they _ have any time to play. [ ]A.
were made to do, hardly
B.
are made to do, hardly
C.
were made do, hardly
D.
are made do, hardly
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举一反三
【单选题】In “delegating” , “I am sure you will be happy to help me.” can be described as ___
A.
tentative
B.
dictatorial
C.
Assertive
D.
Very polite
【单选题】In “delegating” , “I am sure you will be happy to help me.” can be described as ___
A.
Very polite
B.
Assertive
C.
dictatorial
D.
tentative
【单选题】通常我们所说的电子商务的安全是指()。
A.
由客户机到通讯信道的安全
B.
由通讯信道到WWW的安全
C.
由通讯信道到电子商务服务器的安全
D.
由客户机到电子商务服务器的安全
【单选题】分油机分离滑油时的最佳分油量一般应选择铭牌额定分油量的( )。答案
A.
100%
B.
1/2
C.
1/5
D.
1/3 根据目前使用的分,分油机以及船舶使用的油品质量其最佳的分离量确定为:分燃油时分油量为分油机额定分油流量的1/2。分滑油时分油量为分油机额定分油流量的1/3.
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