听力原文:M: How did your interview go?
W: I couldn't feel better about it.
M: You weren't nervous, were you?
W: Not at all. The interviewer was very friendly.
What do we learn from the conversation?
A.The woman is sick.
B.The woman is worried about her interview.
C.The woman is confident.
D.The woman is feeling better.
第4题
为使钢丝间接触应力小,磨损小,寿命长,现起重机上常采用钢丝绳为:()。
A.点接触
B.线接触
C.面接触
第7题
普通结构钢丝绳是由相同直径的钢丝捻制而成的,线与丝之间呈()接触状态。
A.线
B.点
C.面
D.复合
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