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【单选题】
--- Joan, what_________in your hand? --- Look! It's a birthday gift for my grandmother.A.
had you held
B.
are you holding
C.
do you hold
D.
will you hold
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举一反三
【简答题】A. He is the new manager. B. He is away on business. C. He is on sick leave. D. He is retired.
【单选题】He is a successful business manager. His day is _____ business matters. [ ]
A.
covered with
B.
filled of
C.
full with
D.
filled with
【单选题】What is learned about Terry?
A.
He often works from home.
B.
He is on a business trip.
C.
He is Gordon's supervisor.
D.
He will be back to work on Wednesday.
【单选题】甲、乙、丙、丁四人去商店,每人买了一台电脑,并对电脑的质量做如下预测:甲:“我看,我们四人买的电脑都是合格产品。”乙:“靠不住,现在假冒伪劣产品很多。我看,我们四人买的电脑肯定有不合格产品。”丙:“丁买的电脑肯定合格。”丁:“要是我买的电脑合格,那么你们买的电脑不会有不合格的。”他们找人对每台电脑做了测试,结果表明他们四人中只有一个人的预测是错误的。以下哪项符合这种事实?
A.
甲的电脑合格,其他人的电脑都不合格
B.
乙的电脑合格,其他人的电脑都不合格
C.
丙的电脑合格,其他人的电脑都不合格
D.
丁的电脑合格,其他人的电脑都不合格
E.
甲、乙、丙、丁的电脑都合格
【简答题】三极管实现放大作用的外部条件是: ____。某放大电路中三极管,测得管脚电压V1=-12V,V 2 =-3.2V, V 3 =-3.9V, 这是 ____管(硅、锗), ____型,集电极管脚是 ____
【单选题】A. He is the new manager. B. He is away on business. C. He is on sick leave. D. He is retired.
A.
He is the new manager.
B.
He is away on business.
C.
He is on sick leave.
D.
He is retired.
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