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【单选题】
工化 4.4.6 将一铂丝两端分别浸入 0.1 mol.L -1 Sn 2+ 和 0.01 mol.L -1 Sn 4+ 的溶液中,该电对的电位是:
A.
E q (Sn 4+ /Sn 2+ )
B.
E q (Sn 4+ /Sn 2+ ) + 0.059/2
C.
E q (Sn 4+ /Sn 2+ ) + 0.059
D.
E q (Sn 4+ /Sn 2+ ) - 0.059/2
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【判断题】用修配法装配,能降低制造零件时的加工精度,使产品成本下降,故一般常用于公差要求较高的大批量生产。( )
A.
正确
B.
错误
【单选题】---Is there any particular soup you would like to have?
A.
-_______you select is all right with me.
B.
Whatever
C.
Which
D.
No matter what
E.
Anyone
【单选题】( )20. Do you have any smaller size? ______.
A.
We don’t have anything on sale today
B.
I will offer you a special discount
C.
Sorry, that’s the lowest price
D.
Sorry, they’re all sold out
【单选题】Questions 19 to 21 are based on the passage you have just heard. 20.
A.
The rain is usually very light.
B.
The rain comes mostly at night.
C.
They have got used to the rain.
D.
They drive most of the time.
【单选题】You can have cheese at .
A.
11 a.m. on Monday
B.
4 p.m. on July 21st
C.
8 p.m. on July 25th
【判断题】用修配法装配,能降低制造零件时的加工精度,使生产成本下降,故一般常用于公差要求较高的大批量生产。
A.
正确
B.
错误
【单选题】you understand this rule, you will have no further difficulty.
A.
While
B.
Once
C.
Though
D.
Unless
【单选题】Questions 19 to 21 are based on the passage you have just heard.
A.
Working hard may prepare yourself opportunity.
B.
Success always depends on opportunity.
C.
Opportunity can replace hard work in job hunting.
D.
Working hard will ensure you success.
【单选题】Questions 19 to 22 are based on the passage you have just heard
A.
they want to learn as many foreign  languages as possible.
B.
they have an intense interest incross-cultural interactions.
C.
they acquire an immunity to culture shock.
D.
they would like to live abroad permanently.
【单选题】--- You should have thanked her before you left.
A.
- I meant _________, but when I was leaving I couldn’t find her anywhere.
B.
to do
C.
to
D.
doing
E.
doing so
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