人教英语新课标必修1全册精品教案( Unit 4 Earthquakes)

In 132 Zhang Heng invented the first seisgraph(地震仪) fr easuring earthquaes His devie as in the shape f a linder(圆柱体) ith eight dragn heads arund the tp, eah ith a ball in its uth Arund the btt ere eight frgs, eah diretl under a dragn head hen an earthquae urred, a ball fell ut f the dragn’s uth int a frg’s uth, aing a nise He als invented the deter(里程表)

Zhang Heng as the first persn in hina t nstrut a rtating elestial glbe

In ne f his publiatins he als prpsed π= 730/232 (r abut 31466)

II Earthquae Survival Tips

uld u n hat t d during a reall big earthquae? Experts have led int atter arefull It a be rth u hile t l ver the flling tips the have fr us

If the grund begins shaing hile u are driving, pull ver and sta in ur ar If u are in a building, tr t get near a strng all The rner f the r r the spae under a big dra is the safest As sn as the quae is ver, he the gas pipe in the building Gas fires ften result fr earthquaes These tips a prve t be lifesavers e shuld, therefre, eep the in ind Reeber t alas hpe fr the best but prepare fr the rst

Esape in the Shl

l If it has an earthquae hen having lasses, the students shuld listen t the teaher’s instrutin, prtet their heads and hide under the dess

l If it has an earthquae hen the students are in the sprts grund, the an ruh n the spt and prtet their heads ith hands Be sure t eep aa ith high building and dangerus bets

l Dn’t g ba t the lassr

l Retreat in rder after the earthquae

Esape in Publi Plaes

Listen t the and f the site rers Dn’t be sared and dn’t rush tards the exits Tr t avid rds Avid t be squeezed t the all r barriers

l At theaters and gs: ruh dn r slip under the hairs; avid suspending lights

and eletri fans; prtet the head ith shlbags; after the earthquae, listen t the and f the rers, retreat in an rganized a

l In departent stres, bstres, useus r suba: find fir unters, dities (l furniture et) r a pillar, r the rner f a all t ruh dn n the spt, prtet the heads ith hands r ther bets; eep aa fr glass inds, glass unters r sh unters; eep aa fr tall upbards; eep aa fr advertiseent bards and ther suspending bets

l n buses r trlle buses: Grasp the handles t avid being inured; ler the enter f gravit; hide near the seats; get ff after the earthquae passed

Setin3: rds and expressins

I rds fr reading

1 iagine vt fr a piture f in the ind；thin f (sth) as prbable：想象；认为（某事）可能发生或存在。宾语为名词、代词、动名词、从句。宾语从句为否定意义时，要用否定转移，与thin, believe, suppse, expet用法相同，成为I/ e dn’t iagine…,意为“我（们）认为……不……如：e an iagine her sadness我们可以想象她的悲伤。I didn’t iagine () being a teaher in hildhd在童年时代，我并未想象能成为一名教师。an u iagine h uh I as surprised t hear the nes?你能想象我听见这个消息有多惊讶吗？I dn’t

iagine s = I iagine nt我认为不是这样。

f iagine, guess, suppse

iagine意为“想象，幻想”，指在脑海中形成一个清晰明确的印象，或认为某事物可能发生或存在;

guess： fr an pinin, give an anser, ae a stateent, based n suppsitin, nt n areful thught, alulatin, r definite nledge: “猜测，臆测”，指未知道前的猜测;

suppse: let it be thugh that; tae it as a fat that:认定，假定； guess; thin: “想象，推测”，意指“假定或假设中的情形”。

2 f shae, treble

shae: ve, be ved, quil r vilentl up and dn, frards and baards: 最普通用词，可指人或物 “摇动，发抖”。指人时常用于感情激动、寒冷、惧怕引起的身体颤动。在表示 “因……而颤抖”时，多用ith。在表示 “使受震撼，使（信念等）动摇”，常用于be shaen b/ith/at中。

treble: shae invluntaril ( ith fear, anger, ld, phsial eaness, et) 颤栗,震颤,