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【单选题】
某一溶液中蛋白质的百分含量为 50% 此溶液的蛋白质氮的百分浓度为
A.
2%
B.
4%
C.
6%
D.
8%
E.
13%
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参考解析：
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举一反三
【判断题】Don’t laugh at the tourists if they give the wrong answers to the tour guide’s question. ( )
A.
正确
B.
错误
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【单选题】What does this paragraph imply?
A.
Most of us don't get enough exercise.
B.
We should exercise 15 minutes per day.
C.
A high pulse rate is more healthy.
D.
Regular exercise can strengthen our heart.
查看完整题目与答案
【单选题】几乎所有的tRNA的二级结构都具有（ ）的结构。
A.
双螺旋
B.
超螺旋
C.
三叶草型
D.
倒L型
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【判断题】所有的tRNA都具有三叶草型的二级结构。
A.
正确
B.
错误
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【单选题】You _________ do the exercise if you don't want to.
A.
may not
B.
can't
C.
mustn't
D.
needn't
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【单选题】听录音，回答下列各题：
A.
She thinks the exercise is easy.
B.
She can't solve the exercise either.
C.
She can help the man with the exercise.
D.
She hasn't tried to solve the exercise yet.
查看完整题目与答案
【单选题】One thing the tour books don't tell you about London is that 2,000 of its residents are foxes. As native as the royal family, they fled the city about centuries ago after developers and pollution move...
A.
environment is crucial for wildlife
B.
tour books are not always a reliable source of information
C.
London is a city of fox
D.
foxes are highly adaptable to environment
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【单选题】Ron doesn’t have time to exercise. ( )
A.
T
B.
F
C.
NM
查看完整题目与答案
【单选题】One thing the tour books don't tell you about London is that 2,000 of its residents are foxes. As native as the royal family, they fled the city about centuries ago after developers and pollution move...
A.
environment is crucial for wildlife
B.
tour books are not always a reliable source of information
C.
London is a city of fox
D.
foxes are highly adaptable to environment
查看完整题目与答案
【简答题】\tGoing on a Self-tour or a Package Tour \t(1)有人喜欢自助旅游；\t(2)有人喜欢跟团旅游；\t(3)我的看法。
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相关题目：
【判断题】Don’t laugh at the tourists if they give the wrong answers to the tour guide’s question. ( )
A.
正确
B.
错误
查看完整题目与答案
【单选题】What does this paragraph imply?
A.
Most of us don't get enough exercise.
B.
We should exercise 15 minutes per day.
C.
A high pulse rate is more healthy.
D.
Regular exercise can strengthen our heart.
查看完整题目与答案
【单选题】几乎所有的tRNA的二级结构都具有（ ）的结构。
A.
双螺旋
B.
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C.
三叶草型
D.
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查看完整题目与答案
【判断题】所有的tRNA都具有三叶草型的二级结构。
A.
正确
B.
错误
查看完整题目与答案
【单选题】You _________ do the exercise if you don't want to.
A.
may not
B.
can't
C.
mustn't
D.
needn't
查看完整题目与答案
【单选题】听录音，回答下列各题：
A.
She thinks the exercise is easy.
B.
She can't solve the exercise either.
C.
She can help the man with the exercise.
D.
She hasn't tried to solve the exercise yet.
查看完整题目与答案
【单选题】One thing the tour books don't tell you about London is that 2,000 of its residents are foxes. As native as the royal family, they fled the city about centuries ago after developers and pollution move...
A.
environment is crucial for wildlife
B.
tour books are not always a reliable source of information
C.
London is a city of fox
D.
foxes are highly adaptable to environment
查看完整题目与答案
【单选题】Ron doesn’t have time to exercise. ( )
A.
T
B.
F
C.
NM
查看完整题目与答案
【单选题】One thing the tour books don't tell you about London is that 2,000 of its residents are foxes. As native as the royal family, they fled the city about centuries ago after developers and pollution move...
A.
environment is crucial for wildlife
B.
tour books are not always a reliable source of information
C.
London is a city of fox
D.
foxes are highly adaptable to environment
查看完整题目与答案
【简答题】\tGoing on a Self-tour or a Package Tour \t(1)有人喜欢自助旅游；\t(2)有人喜欢跟团旅游；\t(3)我的看法。
查看完整题目与答案