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【多选题】
4-4 下列分子式的旋光异构体中的手性碳标示正确的是哪一个?A.
a
B.
b
C.
c
D.
d
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举一反三
【单选题】How often did the family finally decide to have meals together?
A.
Every Sunday.
B.
Twice a week.
C.
Three times a week.
【单选题】We decide to have a _______experiment before the formal project.
A.
simulated
B.
fake
C.
false
D.
pretend
【简答题】A. us British B. British us C. us Britain D. we British
【单选题】In order to the growing demand for our products , we decide to have an agent.
A.
benefit
B.
advantage
C.
make benefit of
D.
take advantage of
【单选题】The British Empire was replaced by the British Commonwealth or the Commonwealth of Nations in ______.
A.
1921.
B.
1931.
C.
1945.
D.
1950.
【单选题】In which of the following situations should we use the expression nowadays?
A.
We decide to avoid trouble or danger for the future.
B.
We try to improve our English for better education.
C.
We need to make a quick decision at the last moment.
D.
We have to make a choice between success and failure.
【简答题】At the height of the British Empire , there were British colonies on every continent. ( )
【单选题】We want to have some___ for dinner, so we decide to catch ____now.
A.
fish,many
B.
fishes, many
C.
fish,much
D.
fishes,much
【单选题】We wish to develop a confidence interval for the population mean. The population standard deviation is known. We have a sample of 40 observations. We decide to use the 92 percent level of confidence. ...
A.
1.96.
B.
1.65.
C.
2.58.
D.
1.75.
【单选题】We want to have some___ for dinner, so we decide to catch ____now.
A.
fish, many
B.
fishes, much
C.
fish, much
D.
fishes, many
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