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【单选题】
离心泵的气蚀余量 Δ h 与流量 Q 关系为A.
Q 增大， Δ h 增大
B.
Q 增大， Δ h 减小
C.
Q 增大， Δ h 不变
D.
Q 增大， Δ h 先增大后减小
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反馈参考答案：
举一反三
【单选题】What did Li Xiaonian do?
A.
Listened to music
B.
watched a movie
C.
went to the gym and play volleyball
【单选题】---__________ --- Li Xiaonian.
A.
Where are you from?
B.
May I have your name?
C.
What’s your last name?
D.
May I have your address?
【单选题】---Is Li Xiaonian your friend ? ---- ____.
A.
Yes, it is
B.
No, he is
C.
Yes, she is
D.
Thank you
【简答题】Dialogue 2 ( Li Xiaonian is welcoming Miss Liu to his party. ) Li Xiaonian : Hello, Miss Liu! (1)__________ Miss Liu : Hello, Xiaonian! Li Xiaonian : This way please. Take a seat. Miss Liu : (2)______...
【单选题】Speaker A: what’s your name? Speaker B: Li Xiaonian. Sperker A: Is your last name Xiaonian? Sperker B: _____________________
A.
Yes, it is.
B.
No, my last name is Li.
C.
Yes, I am.
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