既然 9．________________

　　突发；爆发 10．________________

　　密切注视；当心；提防 prevent...from block out cheer up now that break out watch out 典型句式 1．what引导的主语从句 ____________________(它会变成什么样) was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. What it was to become 2．so...that... 如此……以至于…… The earth became _______________________(如此猛烈以至于) it was not clear whether the shape would last or not. so violent that 3．it作形式宾语的用法 This produced a chain reaction，which ___________________________________ (使得生命得以发展)． made it possible for life to develop 4．英语倍数表示法 But when I tried to step forward，I found I was carried ________________(两倍远) on the earth and fell over. twice as far as 主语从句 1．(2016·福建四地六校联考)________ is known to us all is that the Chinese government has spared no efforts to protect people from fake food. 单元语法 A．As　 B．It C．That

　　D．What 解析：选D。考查主语从句。What在这里引导主语从句，选D项。此题要注意分析句子结构，如果题目改为：①________ is known to us all，the Chinese government has spared no efforts to protect people from fake food.该句空处应用As， As引导非限制性定语从句；②________ is known to us all that the Chinese government has spared no efforts to protect people from fake food.该句空处则应用It，It作形式主语。 2．(2016·河南四市联考)________you don’t like him is none of my business. A．What

【2016高考英语一轮课件优化复习（山东专用）人教版必修三《Unit4 Astronomy：the science of the stars 》天文学：恒星科学】相关文章：

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