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【单选题】
已知双曲线的实轴长是虚轴长的2倍，则双曲线的离心率为（ ）A.
5 2
B.
5
C.
6 2
D.
6
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举一反三
【简答题】Wang Hai was chosen to _______ the company at the conference. (represent)A. represent
【单选题】what does a thick line represent in drawing?
A.
represent visible line
B.
represent invisible line
C.
represent symmetrical line
D.
represent hatching line
【单选题】What does a thick line represent in drawing?
A.
represent visible line
B.
represent invisible line
C.
represent symmetrical line
D.
represent hatching line
【简答题】What did the 'Couch' represent?
【单选题】What does a thick line represent in drawing?
A.
represent visibe line
B.
represent invisible line
C.
represent symmetrical line
D.
represent hatching line
【单选题】MacFarlane gave some suggestions that ______.
A.
international students work in part time to have more contact with British people
B.
international students have more conversations with British students in pubs
C.
the university provide more cultural activities for overseas students
D.
universities set up more pubs for students to develop drinking culture
【单选题】He was sent as a _____________ (represent) to the negotiation.
A.
representation
B.
represent
C.
representative
D.
representer
【简答题】请比较煤沥青与石油沥青的性能与应用差别。
【单选题】Macfarlane represents the new ecological writer because
A.
He is also an environment activist
B.
He writes both novels and poems
C.
He learns from both American and English literature
D.
He is very young in age
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