精讲强调句型，系统归类强调句在高考中的考法，突出高考考点，帮助同学解决盲点，同时配有练习。

强调句型讲解与练习
一、强调句型练习
强调句型为：It was / is ……..that（who）……
（一）、被强调部分是主语、宾语、时间状语、地点状语、可以有创新内容。
1、用介词短语达到创新
It was in this way  that he worked out this problem 。
It was through this telescope  that he observed the sky 。
2、用 not until 复杂结构作为被强调部分
It was not until she took off her dark glasses  that I realized she was a film star 。
It was not until 1920  that regular radio broadcasts began 。
3、以时间状语、原因状语为强调部分
It was only when I reread his poems recently  that I began to appreciate their beauty 。