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1、人教版英语精品资料（精修版）第三册第四单元第三课时词汇导学案BOOK3 Unit 4 Astronomy: the science of the starsLanguage acquaintance（2）Learning Goals:1. Learn some useful words and expressions2. Understand the text better3. Consolidation of the language points.Previewing(预习)Task1:补全下面的短语1. _ time 及时；终于 2. _ eggs 下蛋 3. give birth _
2、产生；分娩 4. _ ones turn 轮到某人；接着5. prevent.from _ 阻止；制止 6. block _ 挡住（光线）7. cheer _ 感到高兴 8. _ that 既然9. break _ 突发；爆发 10. watch _ 密切注视；当心11. cool _ 冷却 12. as _ as 也；还有13. depend _ 依靠；依赖 14. get close _ 靠近Task2:用括号中所给提示翻译下列句子。(1)移动电话使得我们不论在何处都能与他人交谈。(make it possible for sb. to do sth.) 译： (2)请你告诉我怎样防止这种
3、事情发生好吗？(prevent . from . )译： (3)更重要的是，我是个乐观的人。（what is more important is）译： (4)既然你长大了，就不应该依靠你的父母。(now that)译： Step 1: Lead-inPlay a game to check what we have learnt yesterday.Research in class(课堂探究)Step2:Thinking1. They laid eggs too and existed on the earth for more than 140million years.exist vi.
4、存在 生存 existing adj. 现存的 existence n. 存在 生存 exist in 存在之中 exist on 靠为生exist by 靠生存 come into existence 开始存在，成立 bring into existence 使发生，产生 (1) It was impossible for them to such a small income. (2) Some spelling mistakes your article(3) The wild man hunting wild animal in the forest.There exists/exis
5、ted 某地有There exist two huge stone lions at our company gate.翻译： 。2. because they gave birth to young baby animals and produced milk to feed them.give birth to 产生；分娩她生了一个健康漂亮的女孩. She gave birth to a fine healthy girl.有关 birth的短语:by birth He is French by birth.a second birth= rebirth God gave him a se
6、cond birthat birth be of noble/ good birth 介词填空It was reported that a woman gave birth five babies at a time.She was French birth but lived most of her time in England.The baby was only 2,000 grams birth.即学即练：1He gave _ to a strange idea in his mind that he would give up schooling and went in for bu
7、siness.A. hand B. birth C. thought D. on birth 2. She is good at singing and dancing , so she is a good actress _.A. at birth B. by birth C. to birth D. on birth 3. Thus they have, in their turn, become the most important animals on the planet1) Thus adv. 因此；从而She studied hard, _.He forgot to turn o
8、n the radio and _. 2) In ones turn 轮到某人It will be _ to be on duty tomorrow.有关turn 的短语in turn _ by turns _ take turns _ in return _Its ones turn to do sth. 轮到某人做某事。The children called out their names in turn.译： 。 We take turns to sweep our classroom = We sweep our classroom _即学即练：（1）People attempt to
9、 avoid public transportation delay by using their own cars, and this _creates further problems. A. in short B. in case C. in doubt D. in turn（2）If we had driven all the way, you wouldnt have been so much tired.A. in return B in turns C. by turns D. in our turn.（3）If we smile at life, life will smile
10、 on us .A. by turns B. in turn C. in return D. in our turn4. which prevents heat from escaping fromprevent sth./ sb. (from) sth./doing sth. 阻止某人某物做某事同义词组：stop (from)keepfrom（此处from不能省）Protect sb. from 保护某人不受侵袭，挡住，防御我们被阻止在课室吃早餐译： 即学即用：The snowstorm prevent the work from _ on time.A. finishing B. fini
11、shed C. being finished D. to finish 5.millions of years to come will depend on depend on sb. 依靠,相信某人 depend on sth. 取决与某物我们都靠你来做决定了Well all _to make a decision.明天是否能开校运会取决与天气Whether to hold the sports meeting or not will _.Step2：DiscussingStep3：PresentingStep4：EvaluatingStep5：Testing单项选择 1. Could I
12、have another cup of coffee, Daddy? _ It will be hard for you to go to sleep tonight if you do.A. Better not. B. Why not? C. What for? D. As you wish. 2. Zhang Heng, one of _ best-known Chinese astronomers, showed a strong interest in _ astronomy as a child. A. the; the B. the; 不填C. 不填; the D. 不填; 不填3. Without gravity, we _ walk on the ground as freely as we do now. A. couldnt B. mustnt C. shant D. neednt 4. Simon was _ why many of his f
