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　　【导语】心理学家的研究表明“语言自我是外语学习者在母语习得体验中逐步建立起来的并且具有保护性能的一种心理障碍，语言自我是否具有灵活性是学好外语的一个重要因素”。小学生对母语的正规学习也是处于起步阶段，母语具有的保护性心理尚未完全建立起来，语言自我灵活性高，接受和学习性的语言能力强，此时学习新的语言，语言信息就容易摄入。从更加有利于孩子语言形成的角度来看，小学生正处于学习语言的黄金时期。以下是整理的相关资料，希望对您有所帮助。

常考的强调句结构是it 引导的句子。

It is (was) 被强调部分+ that (who) + 句子其他部分。

此结构强调的成分仅限于主语，宾语和状语。

It is from the sun that we get light and heat.

It was not until I had read your letter that I understood the true state of affairs.

典型例题

1) It was last night ___ I see the comet.

A.　the time　B.　when　 C.　that　　D.　which

答案C. 强调句的结构是： It +be +强调部分 + that (who) + 主谓句。　强调句的连词只有两个，that和who。当强调的部分是人，且为句子的主语时，才用 "who"，其余用that。

原句：　My father did the experiment in the lab yesterday evening.

强调主语： It was my father who did the experiment in the lab yesterday evening.

强调宾语： It was the experiment that my father did in the lab yesterday evening.

强调时间： It was yesterday evening that my father did the experiment in the lab. (注意不用when)

强调地点： It was in the lab that my father did the experiment yesterday evening.

2)It is ten years ___ Miss Green returned to Canada.

A. that　B. when　 C. since　 D. as

答案C. 考点是连词用法。 本题易误选为A. that. 其实本句不是强调句。若是，去掉It　 be… that还应是一个完整的句子。而本句去掉 It is…that，只剩下ten years Miss Green returned to Canada. 不成句。因此本句不是强调句。

It is /was +时间+ since…　其中is<---> has been　 was <---> had been.

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