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【单选题】
Why was the official day of Thanksgiving moved up to 4th Thursday of November?A.
To extend the Christmas shopping season.
B.
To boost dwindling attendance in football game.
C.
To seperate with the Christmas holiday.
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【单选题】It's already 11 o'clock. He ________ to bed.
A.
must have gone
B.
must go
C.
should have gone
D.
could have gone
【简答题】实际循环中四个基本热力过程,压缩,冷凝,节流,汽化都是(__)过程,其结果必导致制冷能力(__),功耗(__),制冷系数(__)
【单选题】It’s already 11 o’clock and nobody answers the phone. George ________ asleep now.
A.
must be
B.
must have been
C.
should be
D.
should have been
【单选题】Which of the following sentences is INCORRECT?
A.
One pair of pincers isn’t enough.
B.
Each man and each woman there is asked to help.
C.
Measles usually occur in children.
D.
Neither the Kansas coach nor the players were confident of victory.
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