题目内容
(请给出正确答案)
[主观题]
They fulfilled the task in()it took us.
A、two-thirds time
B、two-thirds times
C、two-thirds the time
D、the two-thirds time
答案
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A、two-thirds time
B、two-thirds times
C、two-thirds the time
D、the two-thirds time
第1题
A. have expected
B.were expecting
C.expected
D.had expected
第2题
A.t₁<t₂
B.t₃>t₂
C.t₁>t₂
D.t₃<t₁
第7题
A.hasn’t he
B.isn’t he
C.isn’t it
D.hasn’t it
第8题
电路如图所示,已知电容电压uC(0-)=0, t=0打开开关,求t 0的uC(t) 及uR(t)。
第9题
A.hadn’t
B.wouldn’t have
C.shouldn’t have
D.haven’t