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【判断题】
1，3－丁二烯分子中每个碳原子都是SP 2 杂化轨道。A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Why did the woman never tell R. that the boy was his son?
A.
Because she thought he would accept the boy as his own without suspicion.
B.
Because she thought there would always have been a shadow of mistrust between them.
C.
Because the boy was the son of her another lover.
【单选题】Why did Jack say he needed some time to spend with his son?
A.
Because he was very tired of his work and wanted to have a good rest.
B.
Because he had promised to spare more time to stay with his son.
C.
Because he had missed his son and his family for days.
D.
Because he came to realize the importance of the time with his family.
【单选题】Passage One: U2_3_3_1.mp3: Q2:How can you make large projects workable according to the passage?
A.
By tackling the most difficult part first.
B.
By doing merely the manageable part of the project.
C.
By dividing them into smaller parts to finish one after another.
D.
By imagining a positive sense of accomplishment.
【单选题】Why did Geraldine ’ s son asked Pecola to his home?
A.
Because of the mood;
B.
Because he used to long to play with the blacks.
C.
Because he wanted Pecola to play cat together.
D.
Because Junior is the son of a brown and the white kids didn ’ t play with him either.
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