初三数学圆及旋转题库(编辑修改稿)

初三数学圆及旋转题库(编辑修改稿)内容摘要：

m y wi fe by ri ngi ng t he door bel l, but she was f ast asleep, so I got a l adder fr om t he shed i n t he gar den, put i t agai nst t he wal l, and began cli m bi ng towar ds t he bedr oom wi ndow. I was alm ost t her e when a sarcast i c voi ce bel ow sai d,39。 I don39。 t t hi nk t he wi ndows need cleani ng at thi s t im e of the ni ght. 39。 I looked down and nearl y f el l off t he ladder when I saw a pol icem an. I i mm edi at el y r egr et ed answeri ng i n t he way I di d, but I sai d, 39。 I enj oy cl eani ng wi ndows at night.39。 39。 So do I, 39。 answer ed t he poli ceman i n t he same t one. 39。 Excuse m y i nt er upt i ng you. I hat e t o i nt er r upt a m an when he39。 s busy wor ki ng, but woul d you m i nd i ng wit h m e to t he st ati on ?39。 39。 Wel, I 39。 d pr efer t o st ay her e,39。 I sai d. 39。 You see, I39。 ve f or got t en m y key. 39。 Your what ?39。 he cal led. 39。 My key,39。 I shout ed. 39。 For tunat ely, t he shout i ng woke up m y wi f e who opened t he wi ndow j ust as t he pol icem an had st art ed to cl im b t owar ds m e. Lesson93 A nobl e gif t 崇高的礼物 One of t he m ost f am ous m onum ent s in t he worl d, t he St at ue of Li ber t y, was pr esent ed t o the Uni ted St at es of Am eri ca i n t he ni eent h cent ury by t he peopl e of France. The gr eat st atue, which was desi gned by t he scul pt or August e Bart hol di, t ook t en year s to pl et e. The act ual fi gur e was m ade of copper support ed by a m et al f r am ewor k whi ch had been especial y const ructed by Ei f el. Bef or e it could be t r anspor t ed t o t he Uni t ed St ates, a sit e had t o be f ound f or i t and a pedestal had t o be buil t. The sit e chosen was an i sl and at t he ent rance of New Yor k Har bour. By 1884, a st atue whi ch was 151 feet al , had been erected i n Pari s. The f ol l owi ng year , it was t aken t o pieces and sent t o Am er i ca. By t he end of Oct ober 1886, t he st at ue had been put t ogether agai n and it was off i ci al l y pr esent ed t o t he Am eri can people by Bar t hol di . Ever si nce t hen, the gr eat m onum ent has been a sym bol of li bert y f or t he m il li ons of peopl e who have pased t hr ough New Yor k Har bour t o m ake their homes i n Ameri ca. Lesson94 Fut ure cham pi ons 未来的冠军 Exper im ent s have pr oved t hat chil dr en can be i nstr uct ed i n swi mmi ng at a ver y earl y age. At a speci al swim mi ng pool i n Los Angel es, c hil dr en be e exper t at holdi ng their br eat h under water even bef ore t hey can wal k. Babi es of t wo months ol d do not appear t o be r el uct ant t o pr i soner knocked him to the ground wi th a shar p blow. Then, j umping i nt o t he car , he dr ove off as quickly as he coul d. Lesson82 Monst er or fi sh? 是妖还是鱼。 Fi sher men and sai lors someti mes claim t o have seen monst ers i n the sea. Though peopl e have of ten l aughed at st or ies t old by s eam en, i t is now known t hat many of t hese 39。 m onster s39。 which have at ti mes been sighted ar e simpl y str ange f ish. Occasional ly, unusual cr eat ures are washed to t he shor e, but they are rarel y caught out at sea. Some t ime ago, however, a peculiar f ish was caught near Madagascar. A sm al l fi shi ng boat was car ied m il es out to sea by t he power ful f ish as it pull ed on the l ine. Real izing t hat t his was no or di nar y f ish, the f isher man made ever y ef for t not to dam age i t in any way. When i t was eventual y brought t o shor e, it was f ound t o be over t hir teen feet long. It had a head like a hor se, big bl ue eyes, shi ni ng sil ver skin, and a bri ght r ed tail , The fi sh, which has since been sent to a m useum wher e it i s bei ng exam ined by a sci entist , i s cal led an oarf ish. Such cr eat ures have r arel y been seen al ive by m an as they li ve at a depth of si x hundr ed feet. Leson83 Af ter t he el ect ions 大选之后 The for mer Pri me Minister , Mr Went wort h Lane, was defeated i n the r ecent el ect i ons. He i s now ret ir ing f rom polit ical li fe and has gone abr oad. My fr iend, Cr awl ey, has al ways been a f anat ical opponent of Mr Lane39。 s Radical Pr ogressi ve Par ty. Af ter the el ect ions, Cr awley went to the f or mer Pr ime Mini st er39。 s house. When he asked if Mr Lane l ived t her e, t he pol iceman on duty told hi m that si nce hi s def eat , the exPr ime Mi ni st er had gone abroad. On the f oll owing day, Crawl ey went t o the house again. The same poli ceman was j ust wal ki ng slowl y past the entr ance, when Cr awl ey asked t he same quest ion. Though a li t le suspi ci ous this t im e, t he pol iceman gave hi m t he sam e answer . The day aft er, Cr awl ey went to t he house once more and asked exactl y the same quest ion. This t ime, the poli cem an lost hi s temper. 39。 I told you yesterday and t he day bef or e yest er day, 39。 he shouted, 39。 Mr Lane was defeate d i n the el ecti ons. He has r et ir ed fr om pol it ical l if e and gone t o l ive abroad ! 39。 I know, 39。 answer ed Crawl ey, 39。 but I love t o hear you say it ! 39。 Leson84 On st rike 罢工 Busmen have decided t o go on str ike next wek. The str ike is due t o begi n on Tuesday. No one knows how l ong i t wil l last. The busm en have stated t hat t he st ri ke wi l cont inue unti l general agr eem ent i s reached about pay and wor king condi ti ons. Most peopl e bel i eve t hat t he st ri ke wil l last f or at l east a week. Many owner s of pri vat e car s are going to of fer 39。 f ree r ides39。 t o peopl e on their way t o wor k. Thi s wil l rel ieve pressur e on the t rai ns t o some extent. Meanwhil e, a number of uni ver sit y st udent s have volunt er ed to dr ive buses whi le t he st ri ke lasts. Al t he young m en ar e exper t dr iver s, but bef ore t hey dr ive any of the buses, they wi l have to pass a special t est. The students are goi ng to t ake the t est in two days39。 t ime. Even so, peopl e are goi。