养猪养殖可行性研究报告(编辑修改稿)

养猪养殖可行性研究报告(编辑修改稿)内容摘要：

near as she could t o t he chi ldren and even tr ied t o get i nto t he case herself , but i t was t oo smal . Ear ly , next mor ning she hear d planes pas si ng over head and wondered how she could send a signal. Then she had an i dea. She st amped out t he let er s39。 SOS39。 i n the snow. For tunatel y, a pi lot saw the signal and sent a mesage by radi o to t he near est t own. I t was not l ong bef ore a heli copt er ar ri ved on the scene t o r escue the survivor s of the plane crash. Lesson76 Apri l Fool s Day 愚人节 39。 To end our special news bul leti n,39。 sai d the voi ce of t he televisi on announcer ,39。 we are t aking you to the macaroni fi elds of Calabri a. Macaroni has been gr own in this ar ea for over six hundr ed years. Two of t he leadi ng grower s, Gi useppe Mol dova and Ri car do Brabante, tel me that they have bee n expecti ng a spl endi d crop t his year and harvesti ng has begun ear li er t han usual. Her e you can see two worker s who, between t hem, Engl i shm an, Wi l iam Low. He suggest ed that a doubl e rai lway t unnel shoul d be bui lt . This would sol ve the probl em of vent il at ion, for i f a tr ai n entered t his t unnel, i t woul d dr aw in fr esh ai r behind it. For tyt wo years l ater a tunnel was actual y begun. I f, at the t ime, the Br it ish had not feared i nvasion, it would have been pl eted. Recentl y, t her e has again been gr eat int er est i n the i dea of a Channel Tunnel. I f it is bui lt , i t wil l connect Br it ain t o Europe f or the f ir st t ime in hi st ory. Lesson65 Jum bo versus the pol ice 小象对警察 Last Chri st mas, t he ci rcus owner, Jimm y Gates, decided t o take some present s to a chi ldr en39。 s hospit al . Dressed up as Fat her Chr istmas and acpanied by a 39。 guar d of honour 39。 of six pr ety gir ls, he set off down t he main st reet of t he ci ty ri di ng a baby elephant cal led Jumbo. He, shoul d have known that the poli ce woul d never al ow t his sort of thi ng. A pol iceman approached Jimmy and tol d him he ought t o have gone along a si de st reet as Jumbo was hol di ng up the t raf fi c. Though Jimmy agr eed to go at once, Jum bo r ef used t o m ove. Fi ft een pol icemen had t o push ver y har d t o get him off t he mai n st r et. The poli ce had a di f i cult t im e, but they wer e m ost am used. 39。 Jum bo m ust wei gh a few t ons, 39。 sai d a pol i ceman aft er war ds, 39。 so i t was fort unat e t hat we di dn39。 t have t o car ry hi m. Of cour se, we should ar r est hi m, but as he has a good r ecor d, we shal l l et him off t his t im e.39。 Lesson66 Sweet as honey! 像蜜一样甜。 The Hat hel d Puff in i s a m oder n aer o plane, but it s desi gner, Mr John Wim penny, is f indi ng i t dif fi cul t o get it off t he gr ound. The r eason f or t his i s t hat t hi s pl ane is also a bi cycl e. I ts pil ot has t o pedal hard t o get i t i nt o t he ai r. Af ter Mr Wim penny had t he pl ane buil t, i t was test ed t hor oughl y. I n 1961, it was t he fi r st man power ed ai r cr af t t o fl y hal f a mi le. Whi le bei ng f l own by a cham pi on am ateur cycli st i n 1963, t he pl ane crashed on an ai rf iel d. Si nce t hen, Mr Wim penny has had i t r ebuil t. He has had t he l engt h of the wi ngs i ncreased so t hat t hey now m easur e 93 feetalm ost as l ong as t hose of a Dakota. Many peopl e have shown i nterest in t his new and unusual spor t. But though air cycl ists m ay learn how to f ly over shor t distances, and may, event ual ly, even get across the Engli sh Channel, it i s doubt ful whether they wi l ever cycle across the At lanti c. Lesson67 Vol canoes 火山 Har oun Tazief f the Poli sh sci ent ist, has spent hi s li fe ti me studying acti ve vol canoes and deep caves i n al part s of the wor ld. In 1948, he went t o lake Ki vu in the Congo to observe a new vol cano whi ch he later named Ki tur o. Tazief was abl e to set up his camp very cl ose t o the vol cano whi le i t was er upti ng vi olentl y. Though he managed t o t ake a number of bri l iant photogr aphs, he could not stay near the volcano for very l ong. He not iced that a r iver of l iquid rock was ing t owards him . It thr eat ened t o surr ound hi m pl et ely, but Tazief m anaged to escape j ust i n ti me. He wai ted unti l t he volcano became quiet and he was abl e to retur n two days l ater. This t im e, he managed to cl imb into the mout h of Kit uro so t hat he could t ake photogr aphs and measur e t em per at ures. Tazief f has of ten r isked hi s li fe in t his way. He has been able to t el l us more about act ive volcanoes t han any m an al ive. Lesson68 Persi st ent 纠缠不休 I crossed the str et t o avoi d meeti ng him, but he saw me and cam e running t owards me. I t was no use pr et endi ng that I had not sen hi m, so I waved t o him . I never enj oy meeting Ber t Dykes. He never has anyt hing t o do. No mat er how busy you ar e, he always i nsi st s on ing wi th you. I had to think of a way of pr eventi ng him fr om foll owing m e around al mor ning. 39。 Hul l o, Ber t, 39。 I said. 39。 Fancy meet ing you her e !39。 39。 Hul lo, Eli zabeth, 39。 Ber t answered. 39。 I was j ust wonderi ng how t o spend t he morni ngunti l I saw you. You39。 r e not busy doing anything, are you ?39。 39。 No, not at al l, 39。 I answer ed.39。 I39。 m going t o.. .39。 39。 Would you mind my ing wi th you ?39。 he asked, bef or e I had f inished speaking. ‘ Not at al ,39。 I li ed, 39。 but I39。 m goi ng to t he dent ist. 39。 Then I 39。 l e wi th you, 39。 he answer ed.39。 Ther e39。 s always plenty to r ead in t he 39。 wait ing r oom ! 39。 l eson69 But not murder! 并非谋杀。 I was bei ng tested f or a dri vi ng li cence f or t he thi rd t im e. I had been asked to dr ive i n heavy t raf fi c and had done so succe sf ul ly. Af ter havi ng been inst ruct ed to dr ive out of t own, I began to acquir e conf idence. Sure that I had passed, I was al most beginning t o enjoy m y test. The exam。