(no.1)八年级英语下册 Unit 4 No Smoking知识精讲 北京课改版

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Unit 4 No Smoking

一、教学内容：

Unit 4 No Smoking

二、教学目标：

知识目标：熟练掌握本单元的单词、短语、句型和语法。

能力目标：能够熟练运用本单元知识，对事物之间的比较结果进行描述。

三、教学重、难点：

①as…as和not as…as句型

②used to和be/get used to doing sth. 的区别

四、语法项目：

形容词和副词的比较级。

五、本单元重点知识：

1. 单词：本单元后单词的音、形、义

2. 词组：

①used to do过去常常做某事

②manage to do sth. 应付做某事

③be used to doing 习惯于做某事

④according to 根据……

⑤eat junk food 吃垃圾食品

⑥be surprised to do sth. 对做某事感到吃惊

⑦change in appearance 改变外表

⑧not…any more 不再

⑨on the school basketball team 在学校篮球队

⑩a sports fan 体育迷

(11) hug a toy bear 抱一个玩具熊

(12) quit smoking 戒烟

(13) something special 特别的事情

(14) make sb. do sth. 使某人做某事

(15) shout at 冲……叫喊

(16) hate doing sth. 讨厌做某事

(17) hear sb. do sth. 听到某人做某事

(18) be caught doing sth. 正在做某事时被抓住

(19) come to do sth. 渐渐开始做某事

(20) one out of five 每5个中的1个

(21) once or twice 一两次

(22) have a try 试一试

(23) give up do sth. 放弃做某事

(24) throw away 扔掉

(25) make a silent wish 暗自祈祷

(26) a smoke free zone 无烟区

(27) have a bad habit 有个坏习惯

(28) pay attention to 注意

(29) feel terrible 感觉难受

(30) die of 因病而死

句型：

①Lin Li was surprised to see Sam had changed in appearance.

林莉看到塞姆外表的变化很惊讶。

②Sam doesn’t eat junk food anymore. 塞姆不再吃垃圾食品。

③How are you doing? 你好吗？

④I used to be fat. 我过去很胖。

⑤I used to eat a lot of junk food. 我过去吃许多垃圾食品。

⑥So you don’t eat fre nch Fries or drink Coke anymore.

所以你不再吃薯条，喝可乐了。

⑦I don’t eat as much as I used to. 我不再像过去那样吃那么多了。

⑧I am as strong as an ox. 我强壮得像头牛。

⑨Dad shouted at me. 爸爸冲我嚷嚷。

⑩I have come to like the smell. 我慢慢喜欢这个味道了。

(11) Now I’m used to it. 现在我习惯这个味道了。

(12) It makes me feel cool. 它使我感觉很酷。

(13) Why not let me have a try? 为什么不让我试一试呢？

(14) Smoking is bad for your health. 吸烟对你的健康有害。

(15) I have given up smoking. 我已经戒烟了。

(16) He simply threw away his cigarettes and doesn’t smoke anymore.

他只是将自己的香烟全部扔掉了，而且再也没有抽过。

(17) I also made a silent wish. 我暗自祈祷。 (18) What h abit did the girl’s father use to have?

这个女孩的爸爸过去有什么习惯？

六、本讲重点知识讲解： 1) Lin Li was surprised to see Sam had changed in appearanc e. 林莉吃惊地看到塞姆外表发生了变化。

be surprised to do sth. 对做某事感到吃惊 例如：

①We were surprised to see Miss Wang in a beautiful dress.

②All the students were surprised to hear the news that was from the sports meet. change in appearance 外表发生了变化

2) Sam doesn’t eat junk food anymore. 塞姆不再吃垃圾食品。

not…anymore 不再……

同义词：no more

近义词：not…any longer=no longer 例如：

I won’t make such a mistake anymore.

My father doesn’t smoke anymore.

They don’t live here any longer.

She doesn’t like watching football matches any longer.

3) I don’t eat as much as I used to.

I have become as strong as an ox.

⎩⎨⎧ 一样和不如as ...as as ...as not 例如：I don’t get up as early as my mother.

Our school isn’t as beautiful as theirs.

Tom runs as fast as Jim.

This house is as expensive as a modern car.

【典型例题】

一、单项选择：

① Jim doesn’t run as as Li Ming.

A. fast

B. faster

C. fastest

D. more fast

② Tom doesn’t write as as his sister.