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【单选题】
碱性磷酸酶测定推荐使用的缓冲液是A.
碳酸盐
B.
二乙胺
C.
2-氨基-2-甲基-1-丙醇
D.
Tris-HCI
E.
醋酸盐
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举一反三
【单选题】The professor _______ to walk out of the office when one of his students came in.
A.
was about to
B.
was going to
C.
would
D.
was to
【单选题】Children are likely to get ________if no one cares about their upbringing. [ ]
A.
out of hand
B.
out of order
C.
out of place
D.
out of work
【单选题】He set_________ at about 9 o'clock. [ ]
A.
about to work
B.
about to working
C.
about working
D.
out working
【单选题】Which of the following is NOT true about the results of the survey?
A.
One out of every four car buyers changed their minds in August.
B.
Interest in hybrid vehicles has doubled.
C.
Younger drivers seem to be less concerned about the change in gas price.
D.
More men than women changed their minds in the last 30 days.
【单选题】About one out of every two fans sold in North America is The Home Depot’s Hampton Bay brand. What type of brand is Hampton Bay?
A.
a. manufacturers’
B.
b. international
C.
c. family
D.
d. private
【简答题】At any given moment, about one out of every eight people has a cold.(翻译)
【单选题】Only about one out of twelve young men and women of this country______ a college education.
A.
was received
B.
were received
C.
receives
D.
receive
【简答题】The one-child policy has been carried out for about 20 years .Most Chinese families have only one child. By the year 2008,the number of only children in China had already been 330 million ,which was a...
【单选题】Please cover the tasks for Lesson 6 Unit 1 on the course center. Then answer the following questions. 1. To “screen” ideas means to test them in order to ________ .
A.
prove they work
B.
see how much they cost
C.
discard those that are no good
【多选题】Please cover the tasks of Lesson 6 Unit 1 first, then answer the following questions. 1. Where can we generate ideas according to the dialogue?
A.
the R&D department
B.
employees in the company
C.
customers
D.
competitors
E.
focus groups
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