皂化反应第三课时
一、认识traffic lights，连一连。
祝福老师1. Go.
2. Stop and wait.
3. Slow down and stop.
二、按要求分类。
1. 交通灯颜 2. 交通灯含义 3. 交通工具
三、看图，选词填空。
1.（Go/Wait）_______ at a green light.
2. Look at the _______（traffic rules/traffic lights）.
3.撩女生的话（Stop and wait/Wait）_______ at a red light.
4.（Slow down and stop/Go）_______ at a yellow light.
答案
一、1. C 2. A 3. B
二、1. AFI 2. CDHJ 3. BEG
三、1. Go 2. traffic lights 3. Stop and wait 4. Slow down and stop
【拓展资料】
（1）小学英语知识点1：一般过去时。
表示发生在过去的事情或存在的状态，常与just now; a moment ago; … ago; yesterday; last ( week; month; year; Monday; weekend); this morning等词连用。
大学生的自我介绍注意：be动词与动词过去式不可同时使用。
如：My earphones were on the ground just now.
我的耳机刚刚还在呢。
Where were you last week? I was at a camp.
你上个星期去哪了？我去野营了
芍药花的功效与作用What did you do yesterday? I visited a farm
你昨天去干嘛了？我去参观农场了。
（2）小学英语知识点2：现在进行时。
表示正在发生的事情或进行的动作，常与now,listen,look等词连用，结构是主语+be动词(am, is, are)+动词ing.
如：It is raining now.
外面正在下雨
It is six o’clock now.
现在6点了
My parents are reading newspapers in the sitting room.
我父母正在客厅看报纸
Look! The children are having a running race now.
看！孩子们正在赛跑
（3）小学英语知识点3：一般现在时。
清炒菠菜的做法表示经常反复发生的事情或动作，常与often, usually, sometimes, always, every day(week year…) on Sundays等词连用。
结构是主语+动词原形；当主语为第三人称单数即he,she, it, Tom, my mother, the boy等词时，动词后加s或es.
如：We have an English lesson every day.
我们每天都要上英语课
Do the boys run faster than the girls? Yes, they do.
男孩比女孩跑的快吗？是的
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