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【单选题】
2 g NaOH固体溶于水配成250 mL溶液，取出其中50 mL，则这50 mL NaOH溶液的物质的量浓度为 [     ]
A.
0.04 mol/L
B.
0.2 mol/L
C.
1 mol/L
D.
2 mol/L
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举一反三
【单选题】十进制数25的八进制形式为( )。
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B.
34
C.
33
D.
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【单选题】依据《仓库防火安全管理规则》,库房内的照明灯具的垂直下方与储存物品水平间距不得小于( )米。
A.
0.3
B.
0.4
C.
0.5
D.
0.6
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【简答题】It is ture that these herbs can be used to ___________ pain.
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【单选题】It’s true that these herbs(药单)can be used to __________pain．
A.
decrease
B.
reduce
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relieve
D.
relax
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【单选题】According to a recent study, Ginseng, one of the most_____used herbs in traditional Chinese medicine, may improve survival and quality of life after a diagnosis of breast cancer.
A.
conveniently
B.
correctly
C.
greatly
D.
widely
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【单选题】herbs can be used to disperse hardenings.
A.
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B.
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D.
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【单选题】Horses are used in guarding herbs, carrying men in lands where there are no roads, and helping farmers work their land. Pigeons have long been used to carry messages. Wild animals from the jungles, fo...
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faster than other horses
B.
smaller than other horses
C.
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D.
more nervous than other horses
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【单选题】依据《仓库防火安全管理规则》,库房内的照明灯具的垂直下方与储存物品水平间距不得小于【】米。
A.
0.3
B.
0.4
C.
0.5
查看完整题目与答案
【简答题】It is that these herbs can be used to _______ pain.
查看完整题目与答案
【单选题】Horses are used in guarding herbs, carrying men in lands where there are no roads, and helping farmers work their land. Pigeons have long been used to carry messages. Wild animals from the jungles, fo...
A.
faster than other horses
B.
smaller than other horses
C.
more suspicious than other horses
D.
more nervous than other horses
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【单选题】十进制数25的八进制形式为( )。
A.
37
B.
34
C.
33
D.
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【单选题】依据《仓库防火安全管理规则》,库房内的照明灯具的垂直下方与储存物品水平间距不得小于( )米。
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【简答题】It is ture that these herbs can be used to ___________ pain.
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decrease
B.
reduce
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【单选题】According to a recent study, Ginseng, one of the most_____used herbs in traditional Chinese medicine, may improve survival and quality of life after a diagnosis of breast cancer.
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【单选题】herbs can be used to disperse hardenings.
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Acrid
C.
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【单选题】Horses are used in guarding herbs, carrying men in lands where there are no roads, and helping farmers work their land. Pigeons have long been used to carry messages. Wild animals from the jungles, fo...
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A.
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B.
0.4
C.
0.5
查看完整题目与答案
【简答题】It is that these herbs can be used to _______ pain.
查看完整题目与答案
【单选题】Horses are used in guarding herbs, carrying men in lands where there are no roads, and helping farmers work their land. Pigeons have long been used to carry messages. Wild animals from the jungles, fo...
A.
faster than other horses
B.
smaller than other horses
C.
more suspicious than other horses
D.
more nervous than other horses
查看完整题目与答案