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【单选题】
依据( )原则,滑移实际上总是沿着晶体中原子排列最紧密的晶面和晶向发生。A.
距离最小
B.
阻力最小
C.
力矩最小
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【简答题】目前大量使用的条形码有 和 两大类。
【简答题】How many kinds of doctors are there in the US?
【单选题】How many kinds of illnesses can be caused by the germs in swimming pool water as mentioned in the passage?
A.
One.
B.
Two.
C.
Three.
D.
Four.
【简答题】How many kinds of fish are there in the world? _________________.
【简答题】How many kinds of materials will the university send the applicant after they receive the application materials? The university will sand the applicant ______ kinds of material.
【单选题】There are so many kinds of cameras in the shop. We can't decide . [ ]
A.
how to buy it
B.
how to buy
C.
which to buy
【单选题】How many kinds of ideas are there about the future?
A.
Two.
B.
Three.
C.
Four.
D.
Five.
【简答题】How many different kinds of sounds are mentioned in Paragraph 3 ?
【简答题】How many kinds of lessons do they have in a week?（ ）
【单选题】How many kinds of anxiety are mentioned in the passage?
A.
Two.
B.
Three.
C.
Four.
D.
Five.
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