Unit 2 Topic1课件2023 -2024学年仁爱科普版九年级英语上册

　九上　U2 T1 考点精讲 考点1    There were several chemical factories pouring waste water into the stream. 曾有几家化学工厂正往小河里排放污水。 •There be+sb./sth.+doing sth. 有某人/某物正在做某事。 如:There are some birds singing in the tree. 树上有些鸟儿在歌唱。 There is a cat running after the mouse in the street. 街上有一只猫在追一只老鼠。 •pour sth. into...把某物倒入…… •waste n. 废弃物;浪费 v. 浪费 adj. 废弃的;无用的 练 ⑴In my view it was a 　      of time. 依我看,这是浪费时间。 ⑵Don't 　      paper. 别浪费纸张。 ⑶Throw out that 　     paper. 把废纸扔掉。 waste waste  waste  考点2    I was always in a bad mood because I couldn't bear the environment here. 我曾一直心情不好，因为我忍受不了这里的环境。 句中bear可以和stand替换,表示“容忍;忍受”,后接名词、代词或 动词-ing形式作宾语。 can't bear/stand (doing) sth. 无法忍受(做)某事 I can't stand that man; he talks too much. 我忍受不了那个人了,他话太多了。 Can you bear/stand the noise? 你能忍受得了这噪音吗? 练 I can't bear 　    (stay) up so late. 我无法忍受熬夜到这么晚。 staying 考点3    However, not all people know that noise is also a kind of pollution and is harmful to humans' health. 然而,并非所有的人都知道噪音也是一种污染,而且有害人类健康。 •部分否定:not+both/all/every/everyone/everything... Not everybody knows this secret. 不是人人都知道这个秘密。(部分否定) Nobody knows this secret. 没有一个人知道这个秘密。(全部否定) I don't know all (of) your names. 你们的名字我并不都知道。(部分否定) I know none of your names. 我不知道你们所有人的名字。(全部否定) •harmful adj.有害的 harm n. 伤害; 损害 vt. 伤害; 损害 do (great) harm to...=be harmful to...对……有害 练 Smoking harms your health. 吸烟有害健康。 =Smoking does 　    (harm) to your health. =Smoking is 　    (harm) to your health. harm harmful •pollute v.污染;弄脏　pollution n.污染(物) Cars not only pollute the air in cities, but make them crowded. 汽车不仅污染城市空气,而且使城市拥挤不堪。 练 Noise 　     (pollute) makes us become angry more easily. 噪音污染使我们更加易怒。 pollution 考点4    Recently it was reported that many teenagers in America can hear no better than 65-year-old people do. 近来据报道，美国许多青少年的听力和65岁的老人一样差。 •recently“最近”,指过去不久到现在的一段时间,常和现在完成时连用。 练 ⑴I 　    (paint) the house recently. 我最近粉刷过房子。 ⑵Recently, China 　     great victories in its fight against pover