九年级英语上册《Unit 4 Amazing Science Topic 2 When was it invented Section D》学案 仁爱湘教版.doc

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1、九年级英语上册《Unit4AmazingScienceTopic2WhenwasitinventedSectionD》学案（无答案）学习目标：课前预习：一．根据汉语意思完成句子。1.它是由什么制成的？What’sit____________?2.我希望有一天我也能飞到太空。I____I______intospace_______.3.我希望你的梦想能实现。Ihopeyourdream___________________.4.众所周知，大多数生物体内都有DNA，包括人。Asweknow,thereisDNAinmost_________,______________

2、___.5.没有人确切知道,但是大多数人认为机器人会成为我们生活的一部分。________knows___________,butmostpeoplethinkrobots____________________________.6.总而言之，这个机器人对我们很有帮助。Inshort,thisrobotisvery___________us.7．Thelightbulb_______(invent)byThomasEdisoninAmericain1879.①②⑶否定句：_________________________________一般疑问句：_________

3、_____________________________肯、否回答：_____________________________________划线提问①_______________________________________②_______________________________________⑶________________________________________二、找出并翻译下列词组1．longago______________2.inwhichdirection____________3.aslongas_______________

4、__4.worksowell______________5.duringtherestofthetime____________6.atanytime__________7.loseone’sway_______________8.beusefulto_______________9.runaway________________10.toone’ssurprise_____________语言点导学：1.Usingthestars,theycouldfindoutwheretheywereandinwhichdirectiontheyweregoing.译：___

5、_______________________in…direction按/朝……方向Amotorbikehitatruck_______________________.(朝相反的方向)2．Thismethodworkedwellatnightaslongastheweatherwasgoodandthestarscouldbeseen._____________________________________1)workwell奏效；起作用e.g.Themedicine_____________________.这种药对睡眠很见效。2)aslongas只要；长达e

6、.g.Youcangoouttoplay_____________________.只要你完成作业IhavetaughtEnglish________________________.长达10年教学过程：课后巩固：Ⅰ.根据首字母提示，完成短文。ThankstoGPS,wecanexactlyknoww_____wearenow.GPSislikeaman-made“star”.Itcanbeu____inanyplaceandanyweatherconditiontofindoutourp________.Inthepast,theearlyexplorershad

7、tousestarsinthes____totellthemwheretheywere,however,thismethoddidn’tw_____wellwhentheweatherwasbad.SoGPSisagreati_________thatcanhelphumanstoe________ourplanetsbetter.Ⅱ.单项选择。1.It’ssaidthatthethiefwascaughtyesterday,becausehe______somecomputers______thefactory.A.steal;fromB.steals;fro