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【单选题】
The manager required that all the employees ______ at the office on time．A.
will arrive
B.
arrive
C.
arrived
D.
have arrived
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举一反三
【简答题】05-Unit 1 Part 5.mp3: Section A: You are going to hear a short passage on the rules for children. Supply the missing words. When parents make a lot of rules about their children’s behavior, they make ...
【简答题】05-Unit 1 Part 5_clip1.mp3: Section A: You are going to hear a short passage on the rules for children. Supply the missing words. When parents make a lot of rules about their children’s behavior, they...
【简答题】培训缺失(negt training)
【单选题】一质点由静止开始作圆周运动,其相对圆心的角动量随时间的变化关系为 L =3 t 2 ,则质点受到的相对于圆心的力矩大小为
A.
6t
B.
t^3
C.
6
D.
3t^2
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