外研版八年级下册英语Module3Unit2教学课件.pptVIP

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Language points 1. Scientists think that there has been life on the earth for hundreds of millions of years. on the earth 在地球上 on earth 世界上；究竟 for +时间段，表示一段时间，用how long来提问。 — _________ do you sleep everyday, Eric? — For about eight hours. A. How much　　　 B. How fast　　　 C. How often D. How long 中考链接 hundred 前加基数词，表示“一百、二百、三百……”，hundred要用单数形式；hundred与of连用表示“数百”时，hundred 要用复数形式，即hundreds of。 thousand, million, billion和hundred的用法相同。 2. None of them has an environment like that of the earth... none“没有一个”做主语时，谓语动词可用单数形式或复数形式。 none 与of连用表示范围，后接不可数名词做 主语时，谓语动词只能用单数形式。 注意：none 与no one/nobody的区别： none既可指人也可指物，通常与表范围的of 短 语连用；no one/nobody只能指人，不能与of短 语连用。 (2) none与数量有关，可回答how many问句，表 示“一个也没有”；而no one表示“什么人也 没有”，可回答who问句。 — I tried several ways to work out the math problem, but ______ of them worked. — Never give up! I believe you’ll make it. A. all　　　 B. each　　　 C. none D. neither 中考链接 that是指示代词。为避免重复，可用 that 或 those 来代替前面已提到过的人或事物。 The population of Shanghai is much larger than ______ of Nanning. that enough的用法： 3. However, no spaceship has traveled far enough to reach other stars in our Galaxy. ... enough ... + to do sth. 做某事……是足够的 adj./ adv. + enough + to do sth. 足够……做某事 not + adj./ adv. + enough + to do sth. 不够……做某事 (1) 我们有足够的钱花。 We have _____________________. (2) 他跑得够快，很快追上了我们。 He ran ______________ catch up with us soon. (3) 他年龄不够大，照顾不了自己。 He _________________________________. enough money to spend fast enough to isn’t old enough to look after himself 演练 — We shouldn’t worry about Mary. — You are right. She is ______ to look after ______. old enough; herself B. big enough; herself　　　 C. enough old; her D. enough big; her 中考链接 with +宾语+ 宾语补足语，是with的复合结构，在句中作状语，表示伴随。宾语补足语可由现在分词、过去分词、