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【简答题】
已知固态氨和液态氨的饱和蒸气压与温度的关系分别为 试求氨的三相点的温度和压力。
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皮皮学刷刷变学霸
举一反三
【简答题】在刀具磨损形式中，前刀面磨损对表面粗糙度影响最大，而后刀面磨损对加工精度影响最大。( )
【单选题】听力原文：M: The student's English club is having a party on Saturday night. Can you come? W: I would like to, but I work at a restaurant on weekends. Q: Why can't the woman go to the party? (14)
A.
Because she has got an appointment.
B.
Because she doesn't want to.
C.
Because she has to work.
D.
Because she wants to eat in a new restaurant.
【单选题】What is the purpose of the student's statement?
A.
to help the instructor learn more about a famous author
B.
to persuade his classmates to read a well-known novel
C.
to explain why he liked a book he read
D.
to explain why his feelings about reading a book have changed
【简答题】影响和制约经济发展的主要因素有哪些?5．影响和制约经济发展的主要因素有哪些?
【单选题】Why does the professor say this:
A.
She is not happy with the student's response.
B.
She is introducing an alternative view.
C.
She is going to expand on the comment.
D.
She is ending the discussion.
【单选题】Why is the student's group unable to rehearse in the student center?
A.
The rehearsal space was overbooked.
B.
The building is being renovated.
C.
The rehearsal space was replaced by a game room.
D.
The group did not reserve a rehearsal room.
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