2019春九年级英语下册Unit4LifeonMars内容精讲素材（新版）牛津版.docx

Unit 4 Life on Mars课时内容精讲Unit 4Its hoped that.的用法It is hoped that people could start all over again and build a better world on Mars.人们有望能够在火星上重新开始,建设一个更好的世界。(P52)It is hoped that.表示“人们希望”,指说话者希望如此。例如:It is hoped that we can finish the project before this weekend.我们有望在本周末前完成此项目。常见的“It is+过去分词+that”句型It is said that.据说It is reported that.据报道It is believed that.大家相信It is well known that.众所周知It is thought that.大家认为It is suggested that.据建议large numbers of的用法At present,our spacecraft are too slow to carry large numbers of passengers to Marsit would take months.目前,我们的宇宙飞船太慢了,无法运送大批的乘客去火星因为要花几个月的时间。(P52)large numbers of 意为“大量的”,也可以说 a larger number of,只可修饰可数名词。量词与名词的搭配(1)只能修饰可数名词的量词:a large/great/good number of,a good/great many,dozens of,scores of,quite a few等。(2)只能修饰不可数名词的量词:a great deal of,a large amount of,quite a little,a large sum of等。(3)既可修饰可数名词,也可修饰不可数名词的量词:plenty of,a lot of,lots of,a large quantity of,a good supply of等。fast的用法However,the spacecraft would travel so fast that the journey to Mars might be quite uncomfortable.然而,宇宙飞船会飞得如此之快,以至于去火星的旅程可能会相当不舒服。(P52)辨析fast,quick和rapid1.表示人的动作的迅速,三者都可用,有时可换用。例如:a fast/rapid/quick worker 一个做事手脚快的工人2.fast 表示“快”,侧重指速度方面。例如:She ran as fast as she could.她能跑多快就跑多快。注意:询问速度或表示钟表走得快等,通常用 fast。例如:My watch is 5 minutes fast.我的表快了5 分钟。3.quick 通常表示某一动作来得突然或时间持续很短,有时还含有匆忙之意(但通常不指动作的频率)。例如:He gave her a quick kiss.他突然吻了她一下。注意:催人快做或快走等,通常用 quick。例如:Be quick!快点!4.rapid 比另外两个词要稍正式些,通常指突然或急速(且连续不断)的动作。例如:He asked questions in rapid succession.他连珠炮似地发问。注意:rapid 还可指一种有益的高速度,而fast 和 quick 有时指无益的急速。例如:He made rapid progress in English.他在英语方面取得了很快的进步。agreement的用法Are scientists in agreement that living on Mars would be possible for humans in the future?科学家们赞同人类将来有可能在火星上生活吗?(P57)1.agreement为名词,意为“协议,同意”。例如:This is an agreement between you and me.这是你我之间的协议。2.常用的固定搭配:by agreement 约好come to/arrive at/reach/make an agreement 达成协议;取