制冷剂回收的英文是()。
A.refrigeration device
B.refrigerant recovery
C.refrigerant recycling
D.refrigerant recharge
制冷剂回收的英文是()。
A.refrigeration device
B.refrigerant recovery
C.refrigerant recycling
D.refrigerant recharge
A、estimates
B、is estimated
C、has estimated
D、having estimated
When is the due time of the book?
A.On Sunday, September 15
B.On Saturday, September 15
C.On Sunday, September 5
D.On Saturday, September 5
A.5
B.6
C.2
D.1
听力原文:The report isn't due yet, is it?
(A) I didn't do anything.
(B) No, not until tomorrow afternoon.
(C) They've already reported the problem.
(5)
A.
B.
C.
A、consumer has consumer surplus of $5 if he buys the good.
B、consumer does not purchase the good.
C、price of the good will rise due to market forces.
D、market is out of equilibrium.
Paragraph 5 __________ 查看材料
A.The main components of the maglev train system
B.High-speed maglev due to zero friction
C.The working principle of the maglev train
D.Differences between polarity and magnetic field
E.Comparison of maglev trains with traditional ones
F.Maglev with a powerful motor
Paragraph 5 argues that American students______.
A.spend less time in schools than in some other nations
B.fall behind international students due to less time in school
C.spend more time in schools than in some other nations
D.are lazier than those in such countries as Japan and Korea
The phrase "halo effect" (Line 3, Paragraph 5) probably means ______
A.the effect to make people show understandings to faults and errors.
B.the effect to bring to a good first impression to people.
C.the effect to make people ignore small mistakes due to a fine impression.
D.the effect to enable a website to look more beautiful.
Which of the following statement is NOT true about 19987?
A.Global output trade growth decelerated sharply.
B.Trade manufactures recorded its weakest nominal growth since 1993.
C.Textile trade fell by some 5 percent, largely due to the slowdown intra-Asian trade.
D.Negative dollar-value growth was recorded for the imports of Latin America.
Student: How long can I have these books?
Librarian: This one is on the three-hour-loan; you may have it for only three hours ______.
A: The others are due in 30 days, on February 3.
B: You may have it longer if you like.
C: Drop the books into the RETURN boxes by the library entrance.
D: The fine for overdue books is 5 dollars an hour.
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