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【简答题】
一质量为m的物体作斜抛运动,初速率为v 0 ,仰角为 .如果忽略空气阻力,物体从抛出点到最高点这一过程中所受合外力的冲量大小为 ____,冲量的______.动量增量大小为____。
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反馈参考答案：
举一反三
【单选题】Why does the woman advise the man the sublet?
A.
Because it's convenient.
B.
Because the man doesn't need to spend money on furniture.
C.
Because the company can save money in the long run.
D.
Because the company doesn't have to buy furniture for the man.
【简答题】D7 Where does the woman live? Why does the woman give her thanks to he man?
【单选题】Why does the woman admire the man?
A.
Because he is diligent.
B.
Because he is considerate.
C.
Because he is helpful.
D.
Because he is successful.
【单选题】Why does the woman call the man?
A.
To confirm her flight
B.
To arrange for a party
C.
To say goodbye
D.
To make an appointment
【单选题】Why does the woman congratulate the man?
A.
He has got a new job.
B.
He has got a pay rise.
C.
He has been promoted.
D.
He has bought an apartment.
【单选题】Why does the woman call the man?
A.
To tell the man that he has been shortlisted for interview.
B.
To ask the man a few questions about his interview.
C.
To tell the man the procedure of the interview.
D.
To explain to the man how to make a presentation.
【单选题】Why does the woman call the man ?
A.
She plans to have the man make a tour arrangement for her.
B.
She hopes that he could give her some advice on writing.
C.
She wants to get some suggestions about traveling.
D.
She complains to him about her boring holiday.
【单选题】Why does the woman tell the story of the Japanese woman?
A.
To show her sympathy for the Japanese.
B.
To give a good example.
C.
To show their friendship.
D.
To kill time.
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