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【单选题】
若89C52单片机的晶振频率为6MHz,其复位持续时间应超过_______。A.
2μs
B.
4μs
C.
8μs
D.
1ms
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举一反三
【单选题】Of all the students, Linda draws ______ carefully. [ ]
A.
very
B.
much
C.
more
D.
most
【简答题】Linda is most interested in____________ and ___________ in the community.
【单选题】Mr black is always ______man in the office. [ ]
A.
the most i nteresting
B.
the interesting
C.
a more interesting
D.
the interestingest
【单选题】Linda wants to be the most popular singers when she grows up. [ ]
A.
one
B.
/
C.
one of
D.
a
【单选题】— What an amazing film! It’s the most interesting film I’ve ever seen. — But I’m sure it won’t interest ____.
A.
somebody
B.
anybody
C.
nobody
D.
everybody
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