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【单选题】
在一定转速下,要减小链传动的运动不均匀性和动载荷,应该 .A.
减小链条节距和链轮齿数
B.
增大链条节距和链轮齿数
C.
增大链条节距,减小链轮齿数
D.
减小链条节距,增大链轮齿数
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举一反三
【单选题】下面( )不是document对象的方法.
A.
getElementByName();
B.
getElementById();
C.
write()
D.
reload()
【简答题】__,
Sonia, do you have a soccer ball? Yes, I have.A. Excuse me B. Sorry C. Goodbye D. I am sorry
【单选题】— Sonia, do you know _____ new club in your school? — Of course. I'm one of its members. [ ]
A.
a
B.
an
C.
the
D.
/
【单选题】– Do you think Sonia will pass the math exam? – Sure. She’s ________ so much time on it.
A.
cost
B.
paid
C.
spent
【单选题】What _____ you supposed _____ when you are in Korea? [ ]
A.
do; to do
B.
are; to do
C.
are; doing
D.
have; to do
【单选题】下面（）不是document对象的方法
A.
reload()
B.
getElementsByTagName()
C.
getElementById()
D.
write()
【单选题】—Sonia, do you think you are different from Linda? —Yes. I'm ______ at drawing than her.
A.
better
B.
good
C.
well
D.
best
【简答题】阅读理解。 Tim: Excuse me, Sonia. Is this your backpack? Sonia: No, it isn't.My backpack is here. You can ask that girl. I think (认为) it's hers. Tim: Ok. Excuse me. Is this your backpack? Jane: Oh, yes. Ti...
【简答题】“Chi ha comprato questo romanzo?”"( )ha comprato mia sorella Sonia."
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