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【判断题】
STC15F单片机的PCA工作于捕获模式时,只能设置为下降沿采样。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Please let us know yesterday, my daughter.
A.
where did you go
B.
which place you go
C.
did you go to the mall
D.
if you went to the mall
【单选题】—Did you eat yet? —______.
A.
Yes, let's have lunch together
B.
No, let's go there sometime
C.
No, about an hour ago
D.
Yes, about an hour ago
【单选题】---Could you let me know ________ yesterday ? ---Because the traffic was heavy .
A.
why did you come late
B.
why you came late
C.
why do you come late
D.
why you come late
【单选题】------Did the policeman let you in? ------No, ________ I told him who I was．
A.
Unless
B.
Once
C.
as though
D.
even if
【单选题】'______ you ever _______ the film?' 'Yes, let me tell you something about it.' [ ]
A.
Did, see
B.
Will, see
C.
Have, seen
D.
Do, see
【单选题】---Can you let me know yesterday? ---Because the traffic was bad.
A.
why did you come late
B.
why you came late
C.
why do you come late
D.
why you come late
【单选题】—_____ did you always get the first place? Could you let me know? —Only because I like it and practice every day. [ ]
A.
What
B.
When
C.
Where
D.
Why
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