题目内容
(请给出正确答案)
[主观题]
A.ever sinceB.even thoughC.the momentD.as if
A.ever since
B.even though
C.the moment
D.as if
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A.ever since
B.even though
C.the moment
D.as if
A.y’(t)/x(t)
B.-y’(t)/x(t)
C.y’(t)/x’(t)
D.y(t)/x’(t)
E.-y(t)/x’(t)
A.双侧t0.10,20=单侧t0.05,20
B.单侧t0.05,20<双侧t0.05,20
C.双侧t0.05,20<双侧t0.01,20
D.单侧t0.05,20 >单侧t0.05,15
E.单侧t0.05,20<单侧t0.05,15
I will make sure that you ______.
A.won't get lost
B.don't get lost
C.won't lost
D.lost
A.isn't it
B.doesn't it
C.wasn't it
D.hasn't it
Your mother must be at home, ______she?
A.mustn't
B.doesn't
C.isn't
D.needn't