Unit 5 Lesson 26 Keep the Candle Burning 学案（含答案）冀教版九年级全一册

Unit 5 Lesson 26 Keep the Candle Burning
【学习目标】
1.通过基础练习,能记住并正确使用本课时的重点单词和重点短语。
2.通过阅读训练本课时的内容,能够用英语描述和解释本课的实验。
3.通过任务驱动,激发兴趣,向他人介绍自己所做的有关燃烧的实验。
【预习导学】
一、单词速记
1.支托物;持有者　 　
2.浅的　 　
3.打火机;点火器　 　
4.火柴;相称,相配　 　
5.检查　 　
6.氧气　 　
二、短语速记
三、想一想
1.文中介绍做这个实验需要什么东西
______________________________________________________________
2.实验的结果是什么
______________________________________________________________
3.通过句子“When the candle stops burning, it has used up all the oxygen in the air.”,我们认识到了use up的用法。举一反三,你可以用这个短语说一些句子吗
______________________________________________________________
【答案】
一、
1.holder　2.shallow　3.lighter　4.match　5.examine
6.oxygen
二、
三、
1.A candle, a candle holder, a big glass jar, a shallow dish, some water and a lighter or matches.
2.The water inside the jar rises and fills about one fifth of the jar.
3.The printing ink has been used up.
【合作探究】
任务驱动一 单词、短语大闯关
1.连一连。
2.Show Let's Do It! 2.Underline the correct words to complete the sentences.
(1)Don't (use up/push up) all of the ink. Leave some for me.
(2)The medical team (is made of / is made up of) five experienced doctors.
(3)Please fill the hole (with /in) sand and water.
(4)They didn't realize their mistake (until/as) we told them.
(5)My brother wasn't (strong enough/enough strong) to lift the box.
任务驱动二 阅读训练
1.Read the lesson. And pay attention to pronunciation and comprehension.
2.Show Let's Do It! 1.Read the lesson and fill in the blanks.
3.Put the sentences into correct order.
( )Fill the dish half full with water.
( )Put the candle in the candle holder.
( )Light the candle.
( )Examine the water in the jar. What can you see
( )Let the candle burn for two or three minutes.
( )Put the candle holder on the dish.
( )Put the jar over the candle until the top of the jar rests on the dish carefully.
任务驱动三 小组活动(做实验)
Read about the experiment in this lesson. With a group of classmates, practice the experiment. Do your experiment in front of the class. Don't forget the following things:First, describe your experiment. Second, ask the class what they think will happen. Third, do the experiment. Finally, ask the class if the result is what they expected.
【答案】
任务驱动一
1.
2.(1)use up
(2)is made up of
(3)with
(4)until
(5)strong enough
任务驱动二
3.3147526
【知识超市】
[命题点一]Keep the Candle Burning 让蜡烛燃烧着 　
keep的用法:keep sth.意为“使……保持某种状态”;keep sb. from doing sth.=stop sb. from doing sth.阻止某人做某事;keep (on) doing sth.继续、重复做某事;keep sb. doing sth. 让某人一直做某事。如:
You should keep the room clean. 你应该保持这个房间干净。
We should keep children from swimming alone in the river.我们应该禁止孩子单独在河里游泳。
对点自测
连词成句。
1.I, keep, the water, shouldn't, running.
______________________________________________________________
2.keeps, my mother, the windows, open, at home
______________________________________________________________
3.these students, on the playground, keep on, playing football
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【答案】
1.I shouldn't keep the water running.
2.My mother keeps the windows open at home.
3.These students keep on playing football on the playground.
[命题点二]When the candle stops burning, it has used up all the oxygen in the air. 当蜡烛停止燃烧时,它已经耗光了空气中的氧气。 　
句中use up是固定搭配,意为“用完,用光”,是动副短语;若宾语为代词,放在use和up之间。如:
He has used up all his energy. 他已筋疲力尽。
My mother gave me 200 yuan, and I don't want to use it up.我妈妈给了我200元,我不想全部用完。
◎拓展:
(1)use up相当于run out of;
(2)与 “up” 有关的短语:
短语 意思 例句
take up 开始从事; 占据;接受 The computer takes up so much room.电脑占据了太多空间。
cut up 切碎 Cut up the vegetable.把蔬菜切碎。
give up 放弃 Don't give up and you will succeed.别放弃, 你会成功的。
对点自测
用use up 造三个句子。
1.______________________________________________________________
2.______________________________________________________________
3.______________________________________________________________
【答案】
1.We have used up our salt. Please buy some.
2.Maybe they will use up all the paper.
3.Don't use it up. Leave me some.
2