江西省宜春中学高中英语《Unit4 Astronomy the science of the stars Language acquaintance(2)》导学案

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 ______ 产生；分娩4. ________ one’s turn 轮到某人；接着5. p revent….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 yest erday.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.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/existed …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= rebirthGod gave him a second birthat birthbe 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：1．He gave ___ to a strange idea in his mind that he woul d give up schooling and went in for business.A. handB. birthC. thoughtD. on birth2. She is good at singing and dancing , so she is a good actress ________.A. at birthB. by birthC. to birthD. on birth3. Thus they have, in their turn, become the most important animals on the planet 1) Thus adv. 因此；从而She studied hard, ____________________.He forgot to turn on the radio and _____________________.2) In o ne’s 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 _________It’s one’s 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 avoid public transportation delay by using their own cars, and this _____creates further problems.A. in shortB. in caseC. in doubtD. in turn（2）If we had driven all the way, you wouldn’t have been so much tired.A. in return B in turnsC. by turnsD. in our turn.（3）If we smile at li fe, life will smile on us .A. by turnsB. in turnC. in returnD. 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)…keep…from…（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. finishingB. finishedC. being finishedD. to finish5….millions of years to come will depend ondepend 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．We’ll 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 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; theB. the; 不填C. 不填; theD. 不填; 不填3. Without gravity, we _____ walk on the ground as freely as we do now.A. couldn’tB. mustn’tC. shan’tD. needn’t4. Simon was _____ why many of his friends didn’t turn up at his birthday party.A. limitedB. crashedC. spottedD. puzzled5. Though I was tired out that evening, I _____ from falling asleep by the great pain in my knee.A. was preventedB. had preventedC. has preventedD. am prevented6. See the model ship _____ in the pool? That’s what my father made for me la st weekend.A. floatB. floatingC. floatedD. to float7. Jack was in low spi rits those days and his friends did all they could _____ him up.A. chee rB. cheeringC. cheeredD. to cheer8. There is a peaceful and calm _____ in the country, quite different from that ofa big city.A. climateB. atmosphereC. systemD. situation9. It was almost midnight when a fire _____ in the neighborhood.A. blocked outB. turned outC. broke outD. died out10. _____ life exists on any other planet in the solar system still remains a question.A. WhyB. WhetherC. HowD. Where11. Most of the evidence was destroyed in the fire. _____, it would be almostimpossible to prove Jim guilty.A. AnyhowB. HoweverC. BesidesD. Thus12. _____ you have worked out the first problem, you may go on to work on the second.A. Even ifB. UnlessC. Now thatD. Though13. —May I have a look at your necklace?—Sure. But be _____ with it —it’s made of glass and breaks easily.A. violentB. fundamentalC. gentleD. genuine14. In my view, choosing the right bike _____ what you want to use it for.A. d epends onB. does withC. belongs toD. accounts for15. Water, _____ we cannot live, exists in the form of liquid, gas or solid.A. from whichB. on whichC. by whichD. without whichGrammar：主语从句考点一英语中的主语从句(the subject clause)在句中作主语，有以下两种结构：1)主语从句位于句首。