请说明选择理由1.He made some new _________ in science.A.discovers B.discovered C.discovery D.discoveries2.Neither the students nor the teacher ________ the answer to the question.A.know B.knows C.don’t know D.doesn’t know 3.Mr.Jack _______

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请说明选择理由1.He made some new _________ in science.A.discovers B.discovered C.discovery D.discoveries2.Neither the students nor the teacher ________ the answer to the question.A.know B.knows C.don’t know D.doesn’t know 3.Mr.Jack _______

请说明选择理由1.He made some new _________ in science.A.discovers B.discovered C.discovery D.discoveries2.Neither the students nor the teacher ________ the answer to the question.A.know B.knows C.don’t know D.doesn’t know 3.Mr.Jack _______
请说明选择理由
1.He made some new _________ in science.
A.discovers B.discovered C.discovery D.discoveries
2.Neither the students nor the teacher ________ the answer to the question.
A.know B.knows C.don’t know D.doesn’t know
3.Mr.Jack ________ China for several years.
A.has been to B.has come to C.has been in D.came to

请说明选择理由1.He made some new _________ in science.A.discovers B.discovered C.discovery D.discoveries2.Neither the students nor the teacher ________ the answer to the question.A.know B.knows C.don’t know D.doesn’t know 3.Mr.Jack _______
D 发现,可数名词
B 就近原则,看nor后面的主语决定谓语动词的形式
A 表示到
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D 可数名词, 而且需要变形
B 就近原则,the teacher 是单数,所以要用knows,neither、nor 已经表示否定,因此不需要再加doesn‘t
A 表示到中国好几年了,come是短暂性动词,不能说已经来了好几年

1D,选择名词,discovery是名词,但这里some 需要用复数,所以选discoveries。
2B,就近一致原则,固定用法,因为teacher是单数,又前面有neither...nor,b已经否定,不能再次否定,则所以这里选B。
3C,表示呆在中国,是一种状态,用be in,不用to。
保证最后一个选C,希望不懂再问我。...

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1D,选择名词,discovery是名词,但这里some 需要用复数,所以选discoveries。
2B,就近一致原则,固定用法,因为teacher是单数,又前面有neither...nor,b已经否定,不能再次否定,则所以这里选B。
3C,表示呆在中国,是一种状态,用be in,不用to。
保证最后一个选C,希望不懂再问我。

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1D,some 后面加名词,discovery是名词,但这里some 需要用复数,所以选discoveries。
2B,就近一致原则,看nor后面的主语决定谓语动词的形式
因为teacher是单数,又前面有neither...nor,b已经否定,不能再次否定,则所以这里选B。
3C,因为有for+一段时间一定是现在完成时,排除D。这句话表示呆在中国,是一种状态,用be in...

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1D,some 后面加名词,discovery是名词,但这里some 需要用复数,所以选discoveries。
2B,就近一致原则,看nor后面的主语决定谓语动词的形式
因为teacher是单数,又前面有neither...nor,b已经否定,不能再次否定,则所以这里选B。
3C,因为有for+一段时间一定是现在完成时,排除D。这句话表示呆在中国,是一种状态,用be in,A has been to 是去过 B has come to是不能延续的动词,排除。所以选C

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