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【单选题】
在实际工程应用中，对于正在运行的水泵，水泵装置总扬程可以通过以下公式进行计算：H＝A.
Hss ＋ Hsd
B.
Hs ＋ Hsv
C.
Hst ＋ Hsv
D.
Hd ＋ Hv
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举一反三
【单选题】Woman: Hello, is that Steve? I’m stuck in a traffic jam. I' m afraid I can't make it before 7 o’clock. Man: Never mind. I'll be here waiting for you. 18. What do we learn from the conversation?
A.
The man will go to meet the woman this evening.
B.
The man and the woman have an appointment at 7 o’clock.
C.
The woman can't finish making the jam before 7 o' clock.
D.
The woman won't be able to see the man this evening.
【单选题】听力原文：W: Hello, is that Steve? I'm stuck in a traffic jam. I'm afraid I can't make it before seven o'clock. M: Never mind. I'll be here waiting for you. Q: What do we learn from the conversation? (16)
A.
The man will meet the woman tomorrow.
B.
The man and the woman have an appointment at 7 o'clock.
C.
The woman can't finish making the jam before 7 o'clock.
D.
The woman won't be able to see the man this evening.
【单选题】We can't make it at nine tomorrow. We can go there at _____.
A.
ten tomorrow
B.
nine today
【单选题】听力原文：W: I can't make up my mind whether to ask Larry or Bill to paint the house. M: What difference does it make? They're both excellent painters. And I think we just need to check who is available th...
A.
They are quite different in painting skills.
B.
Neither of them is good at house-painting.
C.
They are equally good at house-painting.
D.
Both of them will paint the house the day after tomorrow.
【单选题】Woman: Hello, is that Steve? I'm stuck in a traffic jam. I'm afraid I can't make it before 7 o'clock. Man: Never mind. I'll be here waiting for you. 18. What do we learn from the conversation?
A.
The man will go to meet the woman this evening.
B.
The man anad the woman have an appointment at 7 o'clock.
C.
The woman can't finish making the jam before 7 o'clock.
D.
The woman won't be able to see the man this evening.
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