冀教版九年级英语全一册Lesson4教案

1、-1 -Lesson 4 Dont Smoke, PI ease!教案I. Lear ning aims:Master the new words:smoke, harmful, disease, l ung, breathe, harm, cigarette, whe never,risk, somebodyII. Learning important and difficult points:1) In many countries, smoking in public places is now against thelaw.2) Never touch cigarettes.3) If

2、 your family members smoke, encourage them to stop smok ing.4) Once you get into the habit of smoking,its not easy tcive itup.Lan guage Poin ts:1. risk【用法】作可数名词，意为 危险、冒险”。【举例】Despite such accidents, even more people are taking the risk.尽管事故频发，但很多人仍然在冒险。【用法】作及物动词，意为 冒的危险”，后面的动词要用动 名词形式。【举例】They riske

3、d losing lives to save that children.他们冒着生-2 -命危险挽救那个孩子。2. In many coun tries, smoki ng in public places is now aga inst thelaw.在很多国家，在公共场所吸烟现在是违法的。【用法】这句话中的smoking in public places是动名词短语 作主语，此时谓语动词要用单数形式。【举例】Playing with children is very interesting.和孩子们在 一起玩很有趣。【用法】介词短语aga in st the law意为 违背法律”在句中

4、作 表语或定语。【举例】We can t do anything against the law.我们不能做任 何违法的事情。3. If your family members smoke, encourage them to stop smoking.如果你的家人吸烟，鼓励他们戒烟。【用法】 句式encourage somebody to do something意为 鼓励某 人做某事”这里用不定式作宾语补足语。【举例】The teachers always encourage us to study hare老师总是 鼓励我们努力学习。【用法】句式stop doing something意为停止做某事”类似句 式stop todo something则表示 停下来去做某事 ”【举例】It is too late. Please stop playing games时间很晚了。请 不要玩游戏了。-3 -4. Once you get into the habit of smoking, its not easy to give itup.一旦你养成吸烟的习惯，就不容易戒掉了。【用法】句式get into the habit of doing意为养成或形成.习惯”介词o