皮皮学，免费搜题
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【判断题】
设计受弯扭组合变形的圆轴时,应采用分别按弯曲正应力强度条件及扭转切应力强度条件进行轴径设计计算,然后取二者中较大的计算结果值为设计轴的直径。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】According to the passage, a 'hygiene factor' (line 13) is an aspect of a worker's performance that ______.
A.
has no effect on the rating of a worker's performance
B.
is so basic to performance that it is assumed to be adequate for all workers
C.
is given less importance than it deserves in rating a worker's performance
D.
if not likely to affect a worker's rating unless it is judged to be inadequate
【单选题】Which of the following is NOT Hawking's occupation?
A.
author
B.
physicist
C.
doctor
D.
actor
【单选题】Xie Na is _______ as a TV presenter but she doesn’t have _______ in managing a clothes shop.
A.
success, many experiences
B.
a success, much experience
C.
great success, an experience
D.
a great success, a lot of experiences
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