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【多选题】
影响铁剂吸收的因素有A.
胃酸有助于铁盐溶解,促进吸收
B.
维生素C有助于Fe3+还原,促进吸收
C.
茶叶可使铁沉淀,妨碍吸收
D.
四环素可与合,妨碍吸收
E.
抗酸药降低铁盐溶解度,妨碍吸收
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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
【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】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.
【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
【判断题】幽默能使人的性格变得活泼开朗，生活轻松愉快。幽默不是三言两语即可传授的，它是睿智的体现，是一个人的思想、学识、智慧、灵感在语言中的艺术化表现。这主要体现了幽默是一门技术活的特性。
A.
正确
B.
错误
【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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