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【判断题】
( )梯形螺纹小径的尺寸可用大径尺寸减去两个实际牙型高度尺寸获得。A.
正确
B.
错误
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举一反三
【单选题】We want to be ______ because, as students, we should learn to help other people.
A.
performers
B.
interviewers
C.
patients
D.
volunteers
【单选题】What is the message mainly expressed in the story?
A.
We should learn to be generous.
B.
It is honorable to help those in need.
C.
People in high positions are not like what we expect.
D.
We should avoid judging people by their appearances.
【单选题】What is the inegge mainly expressed in the story?
A.
we should learn to he generous
B.
It is honorable to help those in need.
C.
People in high postans are not like what we expect
D.
We should avoid judging people by their appearances.
【简答题】We should learn to avoid (make) ______ the same mistake again.
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