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【单选题】
使用钢锯发生断齿的原因是（）。A.
锯条过紧
B.
工件没有夹紧
C.
锯缝歪斜
D.
锯条与工件角度过大或用力过猛
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反馈参考答案：
举一反三
【简答题】According to the textbook, How did Thomas Aquinas try to reconcile faith and reason ?
【简答题】p171 习题7.1 第1题,20分。 第2题,10分。 第3题,20分。 p175 习题7.2 第1题 (1), (4),20分。 第2题 (2),20分。 第3题,10分。
【单选题】How did Thomas Edison manage to rebound from his failure to success?
A.
He asked his friends and other well-known scientists for advice.
B.
He kept on trying and found the subject he was most interested in.
C.
He learned from his failure and applied those lessons to future projects.
【单选题】The man's name is Thomas Edison. You can call him ______ .
A.
Mr. Thomas
B.
Mr. Tom
C.
Mr. Edison
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