皮皮学，免费搜题
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【判断题】
电子电路常用电子毫伏表及示波器进行测试A.
正确
B.
错误
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举一反三
【单选题】Which of the following is NOT an advantage of a well-spaced set of twenty to twenty four teeth ?
A.
These teeth would work harder and become healthier.
B.
Decay of teeth could not develop.
C.
We would eat the diet of our ancestors.
D.
Teeth can be extracted easily during childhood.
【单选题】—How much is that T-shirt? —________. [ ]
A.
It's twenty yuan
B.
They are twenty dollar
C.
They are twenty dollars
D.
It's twenty dollar
【单选题】Her shoes _____ twenty dollars and his T-shirt _____ also twenty dollars. [ ]
A.
are;are
B.
are;is
C.
is; are
D.
be; is
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