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【多选题】
零件的失效形式主要有哪些?
A.
整体断裂
B.
过大的弹性变形或塑性变形
C.
零件表面破坏
D.
破坏正常工作条件引起的失效
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【单选题】注射成型模具中的导柱导套属于:( )
A.
导向定位机构
B.
脱模机构
C.
侧向抽芯机构
D.
成型零部件
【简答题】“”期间,陶行知倡导男女教育平等。1920年,他率先促成()首次招收女生,并与北京大学相约,开放女禁,招收女生,开了中国高校()的先河。
【单选题】Based on the information in the passage, you can infer that the passage is______.
A.
about the family's mechanism of species survival
B.
about the social, economic, and emotional usefulness of the family throughout human history
C.
about duties of the family shared by both husband and wife
D.
about the emotional needs received from parents, siblings, and relations
【单选题】—Excuse me, is there hospital near here? —Yes, go down this road, it’s next to supermarket on your right.
A.
a, /
B.
a, the
C.
/, the
D.
the, a
【单选题】passage four:questions 36~40 are based on the following passage. “Opinion” is a word that is used carelessly today. It is used to refer to matters of taste, belief, and judgment. This casual use would...
A.
Everyone has a right to hold his own opinion.
B.
Free expression of opinions often leads to confusion.
C.
Most people tend to be careless in forming their opinions.
D.
Casual use of the word “opinion” often brings about quarrels.
【单选题】磁场梯度包括 。
A.
层面选择梯度
B.
相位编码梯度
C.
频率编码梯度
D.
以上都是
【简答题】Questions 1 through 3 are based on the following passage. (     )1. A. Because they don't have a gift for art. B. Because they don't have much free time. C. Because art isn't interesting enough. D. Be...
【单选题】磁场梯度包括
A.
层面选择梯度
B.
相位编码梯度
C.
频率编码梯度
D.
以上均是
E.
频率编码梯度和相位编码梯度
【单选题】-- Thank you for your help. -- ____________.
A.
All right
B.
That's all right
C.
That's right
D.
It's very kind of you
【单选题】—Your black sweater is very nice. —_____. [     ]
A.
  No, it isn't
B.
Thank you
C.
  Yes, it is
D.
That's all right
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