Unit 2 Topic 2 课件 2023-2024学年仁爱科普版九年级英语上册

　九上　U2 T2 考点精讲 考点1    Trees can stop the wind from blowing the earth away. 树木可以防风固土。 stop/prevent sb./sth. (from) doing sth. 阻止某人/某物做某事 The heavy snow stopped/prevented the visitors (from) leaving the top of the mountain. 大雪使游客们不得不停留在山顶上。 练 People in ancient times believed that the plant could drive away evil(邪恶的) spirits and prevent them from 　     (catch) an illness in winter. 辨析    earth, soil, ground和land earth着重指与天空相对的“土地”,还泛指泥土; soil主要指用于种植庄稼的“土壤”; ground主要指大地表面; land着重指与河、湖、海洋相对的陆地。 catching 练 ⑴I love the smell of grass and 　     . 我喜欢青草和泥土的味道。 ⑵The trees have rooted in the rich 　     . 树木在肥沃的土壤里已经扎根。 ⑶I sat down on the     . 我坐在地上。 ⑷After twelve days at sea, they sighted    . 在海上十二天后他 们看到了陆地。 earth soil  ground  land 考点2    Although there were sandstorms before, now we have built “The Green Great Wall”. 尽管以前有沙尘暴发生，但现在我们已经建起了“绿色长城” 。 although 连词,意为“虽然,尽管”,引导让步状语从句,可以和though 互换,although 较正式,though更为口语化,使用更普遍些。加强语气时, 通常说even though,而不说even although。 注意: although 引导的从句不能与but, however连用,但常与yet, still 连用。 Although the question is difficult, he can still answer it. 尽管这个问题很难,他仍能回答上来。 练 　      we were quite tired, 　　    we still went on working. A.Although; /　　　　B.Because; /　　　　C.Although; but A 考点3    People have cut down such a large number of trees that the land changed into desert. 人们砍了如此多的树木以至于土地变成了沙漠。 辨析    the number of, a number of the number of “……的数量”,修饰可数名词复数。作主语时,谓语 动词用单数形式。 a (great) number of “许多,大量”,修饰可数名词复数。修饰主语时, 谓语用复数形式。 练 There are 　      bees in the tree and I cannot count 　　    them. A.the number of ; a number of　　　　B.a great number of; the number of C.a great number of; a number of •change...into...=turn...into... 把……变成…… change into 变成 Water has changed into steam. 水变成了蒸汽。 B 考点4    The government has done something useful to protect the environment. 政府已经做了一些有用的事情来保护环境。 something useful 形容词修饰不定代词时,要放在所修饰词的后面，作 后置定语。 nothing important没什么重要的　somewhere cool凉爽的地方 There is something interesting in today's news