新人教版高中英语必修1课件UNIT4SECTIONⅤLISTENINGANDTALKING

①_____________________________________________________________________②___________________________________________________________________________________________________________________________________________________________________________________________________________________ItistheresultofasuddenreleaseofenergyintheEarth’scrust.Earthquakesmayresultindiseases，lackofbasicnecessities，lossoflife，generalpropertydamage，roadandbridgedamageandsometimeslandslides，fires，floodsandeventsunamis.FinishEx.1onPage53.Talking—FinishEx.4onPage53byfollowingtheexample.语言知识积累小议祈使句

祈使句指的是表示命令、请求、建议或劝告的句子。其主语you常省略，谓语动词用原形，句末用感叹号或句号，读降调。1.肯定的祈使句 (1)动词原形＋其他 Standup，please.＝Pleasestandup.请起立。 (2)Be＋adj. Becareful！＝Lookout！＝Takecare！小心/当心！ (3)Let’s＋动词原形 Let’sgotoschooltogether.咱们一起上学去吧。

2.否定的祈使句(1)Don’t＋动词原形Don’tletthemplaywithfire.别让他们玩火。(2)Let’s(letus)＋not＋动词原形Let’snotsayanythingaboutit.对于这件事，咱们什么也别说。1.powern.电力供应；能量；力量；权力powerfuladj.强有力的[自主发现]①beinpower执政；掌权(状态)②________________上台；执政(动作)③________________todosth具有做某事的能力④beyond/outofone’spower某人力所不能及的[词块积累]seizepower夺取政权turnoffthepower关掉电源havethepower[巩固内化]补全句子①Sincehe________________，hehasbeen____________foralmostfiveyears.自从他上台，已执政将近五年了。②I’mafraidit’s____________________tohelpyou.我恐怕无力帮助你。cametopowerinpowerbeyondmypower2.calmadj.镇静的；沉着的；平静的

vt.&vi.(使)平静；(使)镇定Staycalm.(教材P53)保持冷静。[合作探究]

体会calm的用法和意义Calmdown！Thereisnothingtoworryabout.冷静下来！没有什么可担心的。Shetriedtocalmthemdownbutonlytomakemattersworse.她尽力使他们平静下来，不