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-1-Unit5ThepowerofnatureⅠ.重点词汇1．appointvt.委派；任命appointsb.to...任命某人为……的成员，某职位appointsb.as...任命某人为……appointsb.todo...委派某人去做……appointmentn.任命；委派；约会2．burntotheground全部焚毁burndown烧掉；烧毁多指建筑物被烧塌burnup火势加大；使发怒；烧掉burnout烧空；烧光只剩空壳；累垮；烧尽；熄灭3．waven.波浪；波涛vi.挥手；起伏；波动wavegoodbyetosb.向某人挥手告别waveone'shand挥手4．suitn.一套外衣；套装vt.适合；使适宜suitsth.tosth.使某物适合于另一物suitableadj.合适的；适宜的besuitableforsth./sb.适于某物/某人5．makeone'sway前往feelone'sway摸索着前进loseone'sway迷路fightone'sway奋勇前进findone'sway找到出路windone'sway蜿蜒而行6．panicn.惊慌；恐慌vt.&vi.惊慌getintoapanic陷入恐慌inpanic惊慌地panicsb.intodoingsth.使某人因惊慌而仓促做某事7．varyfrom...to...由……到……不等-2-varybetween...and...在……和……间变化varywith...随……而变化varietyn.多样性；种类variousadj.各种各样的8．guaranteevt.保证；担保guaranteesth.保证/担保某事物品质/服务等beguaranteedtodo...必定会/肯定会/做……guaranteetodo...保证做……guaranteethat...保证……guaranteen.保证书；保证underguarantee在保修期内Ⅱ.教材原句1．I_was_about_to_gobacktosleepwhensuddenlymybedroombecameasbrightasday.我刚要再睡，突然我的卧室亮如白昼。2．Theothertwoclimbeddownintothecratertocollectsomelavaforlaterstudy,butthis_beingmyfirstexperience,Istayedatthetopandwatchedthem.另外两人攀下火山口去收集供日后研究用的岩浆，我是第一次经历这样的事，所以留在山顶上观察他们。3．Rewritethesentenceif_necessary.如果必要的话，重写这句话。4．Havingheardascream,Irusheddownstairsonly_to_seemyhostesslyingunconsciousonthefloor,surroundedbyherguests.听到一声尖叫后，我冲到楼下，结果发现我的女房东躺在地板上，毫无意识，房客们围在她的周围。5．It_is_said_thatthisboy,whohadagreatgiftforlanguagesandpersuasion,isthefatheroftheManchupeople.据说这个男孩就是满族人的祖先，具有语言天赋和很强的说服力。Ⅲ.单句语法填空1．Wewerehavingameeting________someonebrokein.答案：when2．Not________(get)areply,hedecidedtocallagain.答案：havinggot3．________(base)animportantdecisionmoreonemotionthanonreason,you'll-3-regretitsoonerorlater.答案：Basing4．Dina,________(struggle)formonthstofindajobasawaitress,finallytookapositionatalocaladvertisingagency.答案：havingstruggled5．Onereasonforherpreferenceforcitylifeis________shecanhaveeasyaccesstoplaceslikeshopsandrestaurants.答案：that6．Hegotuplateandhurriedtohisoffice,________(leave)thebreakfastuntouched.答案：leaving7．________(stand)inalongqueue,wewaitedforthestoretoopentobuyanewiPad.答案：Standing8．MorehighwayshavebeenbuiltinChina,________(make)itmucheasierforpeopletotravelfromoneplacetoanother.答案：making9．Thepartywillbeheldinthegarden,weather________(permit)．答案：permitting10．________isbelievedthathewillbesuccessfulinhisbusiness.答案：It