人教高考英语期末复习UnitAstronomy：thescienceofthestars.PPTVIP

Unit 4 │ 句型透视 【相关拓展】 (1)…倍数＋as many/much＋名词＋as… (2)…倍数＋形容词/副词的比较级＋than… (3)…倍数＋the＋名词＋of… (4)The ＋(计量)名词＋of＋A＋be＋倍数＋that＋of＋B. 【注意事项】 (1)在“倍数＋the＋名词＋of”结构中，常用的名词有size，height，weight，length，width等。如： This classroom is twice the size of that one. 这个教室是那个教室的两倍大。 Unit 4 │ 句型透视 (2)两倍用twice或double，不到一倍用分数表示，三倍或三倍以上一般用times来表示，如three times, four times。 (3)在实际运用中，有时根据语境使用省略句式，应注意分辨。 Unit 4 │ 句型透视 【活学活用】 1．根据汉语提示完成句子 (1)Cats sleep __________________ (是……的两倍) people. (2)The earth is 49 __________________ (大小是……的……倍) the moon. 2．根据汉语意思完成句子 这条河是那条河的三倍宽。 This river is ______________________as that one. ＝This river is ______________________of that one. ＝This river is ___________than that one. twice as much as times the size of three times as wide three times the width twice wider Unit 4 │跟踪训练 跟踪训练 1．Before the economic crisis came，John had sensed that the firm was to be ruined and he 　　　　 just in time. A．pulled up B．pulled out C．pulled off D．pulled down 【解析】 B　考查动词短语辨析。句意为：在经济危机来临之前，John就觉察到这家公司即将倒闭，于是就及时退了出来。A“使车停下”，B“(火车)驶出车站，离开”，C“脱去，胜利完成”，D“拆毁 (建筑物)，拖垮”。根据语意判断选B，表示“离开，辞职”。 Unit 4 │ Astronomy：the science of the stars Unit 4 Astronomy：the science of the stars 美文佳句 Unit 4 │ 美文佳句 诵美文 　　下图描述的是全球环境问题。请仔细观察这幅漫画，用英语写一篇短文，阐明漫画中所反映的问题，并提出解决此问题的方法(至少三点)。 Unit 4 │ 美文佳句 注意： 1．仔细品味图中文字的韵味，可以适当发挥想象，不要做简单描述； 2．词数120左右。开头已经写好，不计入总词数；3．作文中不得提及考生所在学校和本人姓名。From the picture, we can see that__________________________________________________________________________________________________________ Unit 4 │ 美文佳句 From the picture, we can see that pollution is posing a threat to our earth, which comes in many ways. Millions of chimneys of the factories are pouring heavy smoke into air, which causes serious air pollution. A large amount of waste water from the factories pollutes water, making our rivers fishless and our water unfit to drink and swim in. Furthermore, a lot of trees have been cut down without proper plans, which contributes to the soil being washed a