高二英语The environment教案2
m5u2 the environment
language points
reading:
1. i am talking to you about the way large areas of the world are damaged by industrial waste.
waste名词(不可数)、形容词、动词
1)认为它是一张废纸,他们可能把它扔掉了.
they probably threw it away, thinking it was waste paper.
2) 同她争论是浪费时间.
it is a waste of time arguing with her.
3) 浪费时间来讨论这件事是如何发生是没有用的.
it is no use wasting time discussing how it happened.
4) 我多么后悔浪费了这么多时间玩电脑游戏.
how i regretted wasting so much time playing computer games.
2. factories produce large amounts of poisonous chemicals.
a large amount of= large amounts of 修饰不可数名词
人们急需大量的金钱。
a large amount of money is needed badly.
复习几个“大量的”相关词组：a great deal of +______________; a large quantity of/large quantities of +__________
3. these boats catch large numbers of fish without giving them time to lay eggs.
a large number of= large numbers of 修饰可数名词复数
the number of +名词复数 表示…的数量/数目，后面的谓语动词用单数
1) a number of students are admitted (admit) to our school this term.
2) the number of the students admitted to our school is increasing (increase) year by year.
躺，位于 lie---lay---lain---lying
说谎 lie---lied---lied---lying
放置，下蛋，产卵lay---laid---laid---laying
the little boy lied to his mother he saw the white hen laid two egg and he laid them on the table, but in fact, it usually lays one egg every day.
4. result in (l16)
lead to sth :导致=result in=contribute to=cause
the discovery of new evidence led to the thief being caught (catch).
反义词：result from= happen because of 因…而起，起因于
1) three people were killed in the accident.
the accident resulted in three people being killed.
=three people ‘s death resulted from the accident.
2) the new building fell because of its soft base.（句型转换）
the falling of the new building resulted from its soft base.
=its soft base resulted in the falling of the new building.
5. the world’s population has grown by more than six times what it was in 1800.
倍数表达法
…times +as+adj./adv.+as+…
…times +比较级+than…
…times +the +名词（size /width/length/depth/weight/…）+of+…
这条河流是那条河流的四倍长。
this river is four times as long as that one.
this river is three times longer than that one.
this river is four times the length of that one.