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【判断题】
单片机控制中,按和开关的控制效果和作用是一样的A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Making a fresh start, she found learning _________________.
A.
difficult
B.
enjoyable
C.
horrible
D.
tiring
【单选题】____________ bag is yellow.__________ bag is red.
A.
M y;Her
B.
I;She
C.
M y;She
D.
I;Her
【单选题】—Is _______ red bag under the table yours, Jean? —No, I only have _______ yellow bag. Maybe it’s Julia’s.
A.
a; the
B.
the; a
C.
a; a
D.
the; the
【简答题】A. serious about B. nail down C. equipped with D. fresh from E. beneficial F. competent G. tuned up H. out of curiosity I. swell with pride ...
【单选题】A bag contains 6red marbles, 5yellow marbles, and 7green marbles. How many additional red marblesmust be added to the 18marbles already in the bag sothat the probability of randomly drawing a red marb...
A.
12
B.
16
C.
18
D.
24
E.
36
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