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【单选题】
在外槽轮机构中,已知圆销数k=1,运动系数τ=0.25,则槽数z= 。A.
4
B.
5
C.
6
D.
3
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【简答题】与传统金融工具相比,下列属于金融衍生品特征的是()A. 杠杆比例低 B. 定价简单 C. 低风险性 D. 全球化程度高
【单选题】—Who do you think is the most creative performer? —______. [ ]
A.
I think he does
B.
I don't think Pido is a dog
C.
I think Steve is the most creative performer
D.
Don't say so
【单选题】Who does the author think is responsible for the students’ achievement?
A.
Ellen Glanz
B.
Teachers.
C.
Parents.
D.
Students themselves.
【简答题】Dogs and cats are not for students who live in the dormitory. Just think about the noise, the smell and all that wild behaviorchewing on whatever they can get their teeth on, or knocking over the tra...
【单选题】I don’t think it is teachers who ________ for giving students too much pressure.
A.
are to blame
B.
are going to blame
C.
are to be blamed
D.
should blame
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