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【单选题】
对羟基苯甲酸酯类中抗菌活性最强，同时毒性也是最大的是A.
对羟基苯甲酸甲酯
B.
对羟基苯甲酸乙酯
C.
对羟基苯甲酸丙酯
D.
对羟基苯甲酸丁酯
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【简答题】桥面构造包括哪些内容?
【单选题】_____, living in big cities is more convenient because of the complete facilities provided.
A.
In all
B.
All in all
【单选题】Complete the following sentences with proper prepositions or adverbs. Are there any living things __________ the planet Mars?
A.
in
B.
on
C.
at
D.
out
【判断题】Is this a complete sentence? Then I put the backpack on the living room sofa.
A.
正确
B.
错误
【简答题】麻黄可分离成哪些药用部位？各部位功效有何不同？
【简答题】Are they content _____ living at home, or are they living at home merely for _________(convenient) and waiting for the moment when they can be _________ (complete) independent?
【单选题】Please choose the appropriate word to complete the sentence below. Living in cities has a smaller impact on the environment than living in ___________ and rural areas.
A.
suburbs
B.
urban
C.
growth
D.
concentration
【判断题】Is this a complete sentence? Hopped out of the backpack and began jumping around the living room floor.
A.
正确
B.
错误
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