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【单选题】
将二进制数1001001转换为十进制数是
A.
72
B.
73
C.
74
D.
75
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举一反三
【单选题】Don’t worry. There’s _________ time left.
A.
little
B.
a few
C.
few
D.
a little
【单选题】Don't worry. There's still ________ time to go.
A.
little
B.
a little
C.
few
D.
a few
【单选题】– It’s that seat taken? -__________.
A.
Please don’t worry.
B.
I don’t think so.
C.
Why not?
D.
It’s very nice.
【单选题】Xiaodong ______ goes to school by bike. She walks to school.
A.
always
B.
often
C.
sometimes
D.
never
【单选题】She never goes to the cinema
A.
偶尔
B.
总是
C.
从不
【单选题】— John, don’t waste any time and there’s only 25 minutes left before the train leaves. — Don’t worry, mum. I think I can ______ it.
A.
manage
B.
make
C.
do
D.
achieve
【简答题】写出链队列的求队列长度的算法。
【单选题】-I got an A in Physics. -( ).
A.
Don't worry about it
B.
Congratulations! That's a difficult course
C.
You are very good
D.
Good luck to you!
【单选题】______________ worry! [     ]
A.
 No
B.
 Not
C.
 Don't
【单选题】In the evening the car broke down suddenly and the heavy rain the helplessness of the girl driver on the country road.
A.
resulted from
B.
made up
C.
turned out
D.
added to