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【单选题】
下列结构/分子中,不具有芳香性的是A.
1
B.
2
C.
3
D.
4
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反馈参考答案：
举一反三
【单选题】Li Lian said ______ flashcards helped a little. [ ]
A.
make
B.
makes
C.
making
D.
for making
【简答题】Do you have any difficulty ______ (design) this new computer program?
【判断题】GDP can measure either the total income of everyone in the economy or the total expenditure on the economy’s output ofgoods and services, but GDP cannot measure both at the same time.
A.
正确
B.
错误
【判断题】GDP can measure either the total income of everyone in the economy or the total expenditure on the economy’s output of goods and services, but GDP cannot measure both at the same time.
A.
正确
B.
错误
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