白塔堡河(东陵段)生态整治工程可行性研究报告(编辑修改稿)

白塔堡河(东陵段)生态整治工程可行性研究报告(编辑修改稿)内容摘要：

as hol di ng up t he tr af ic. Though Jim my agr ed t o go at once, Jum bo ref used t o m ove. Fi ft een poli cem en had t o push ver y har d to get him off t he m ain st reet. 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 tons, 39。 sai d a pol i ceman aft er war ds, 39。 so i t was f or tunat e t hat we di dn39。 t have t o car r y hi m. Of course, we shoul d ar est him, but as he has a good r ecor d, we shal l et hi m of f t hi s tim e.39。 Leson66 Sweet as honey! 像蜜一样甜。 The Hat hel d Puff i n i s a m oder n aer o pl ane, but i ts desi gner , Mr John Wi mpenny, i s fi ndi ng it dif fi cult t o get i t of f t he gr ound. The r eason f or t hi s is t hat t his pl ane i s al so a bi cycle. It s pil ot has t o pedal har d t o get i t int o the air . Aft er 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 m an power ed ai r cr af t t o fl y hal f a mi l e. Whi le bei ng fl own by a cham pi on amat eur cycl ist in 1963, the pl ane cr ashed on an ai rf i el d. Si nce then, Mr Wi mpenny has had it r ebui lt . He has had t he l engt h of t he wi ngs i ncr eased so t hat they now m easure 93 f eet alm ost as long as t hose of a Dakot a. Many peopl e have shown i nt er est i n t hi s new and unusual sport . But t hough ai r cycli st s may l ear n how t o fl y over short di st ances, and m ay, event ual y, even get acr oss t he Engl ish Channel , it i s doubtf ul whet her t hey wil l ever cycl e acr oss t he Atl anti c. Lesson67 Vol canoes 火山 Har oun Tazief t he Poli sh scienti st , has spent hi s li fet im e st udyi ng act i ve vol canoes and deep caves i n al l par ts of t he worl d. I n 1948, he went t o lake Ki vu in t he Congo to obser ve a new vol cano whi ch he l ater nam ed Kit ur o. Tazi ef was able t o set up hi s cam p ver y cl ose t o t he vol cano whil e it was er upt i ng vi ol ent l y. Though he managed t o t ake a num ber of br il li ant phot ogr aphs, he could not stay near t he vol cano for ver y l ong. He noti ced t hat a ri ver of l iqui d rock was i ng t owards him. I t t hr eat ened t o sur r ound him pl et el y, but Tazief m anaged t o escape j ust i n ti me. He wait ed unt il t he volcano became qui et and he was abl e t o ret ur n t wo days l ater. Thi s tim e, he m anaged t o cl im b i nt o t he m out h of Kit ur o so t hat he coul d t ake phot ogr aphs and m easur e t em per at ures. Tazi ef f has of ten r isked hi s li f e in t his way. He has been abl e to t el l us mor e about a ct ive volcanoes t han any m an al i ve. Lesson68 Persi stent 纠缠不休 I cr ossed t he str eet t o avoi d m eti ng him, but he saw me and cam e r unni ng towar ds m e. I t was no use pr etendi ng t hat I had not seen hi m, so I waved t o hi m. I never enj oy m eti ng Bert Dykes. He never has anyt hi ng to do. No m at t er how busy you are, he al ways i nsists on i ng wit h you. I had t o t hi nk of a way of pr event i ng hi m f r om f ol l owi ng m e ar ound al l m or ni ng. 39。 Hul l o, Bert ,39。 I sai d. 39。 Fancy m eet ing you here ! 39。 Hul l o, Eli zabet h,39。 Bert answer ed. 39。 I was j ust wonder i ng how t o spend t he m or ni ng unti l I saw you. You39。 r e not busy doi ng anyt hi ng, ar e you ?39。 No, not at al ,39。 I answer ed. 39。 I39。 m goi ng t o.. .39。 39。 Woul d you mi nd m y i ng wi th you ?39。 he asked, bef or e I had fi nished speaki ng. ‘ Not at al l , 39。 I l ied, 39。 but I39。 m going t o t he denti st .39。 39。 Then I39。 l l e wi th you,39。 he answer ed. 39。 There39。 s al ways pl ent y t o read i n the 39。 wai ti ng r oom ! 39。 l esson69 But not m urder! 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 succesf ully. Af ter havi ng been was obvi ous that he was ver y embar assed. When I asked him what he was doi ng, he smil ed guilt il y and then put the parcel on the desk. He explai ned t hat hi s di et was so st ri ct t hat he had to reward himself occasional y. Then he showed me the contents of t he par cel . It cont ained fi ve lar ge bar s of chocolate and t hree bags of sweets! Lesson52 A pret t y carpet 漂亮的地毯 We have j ust moved int o a new house and I have been working har d al mor ning. I have been tr yi ng to get my new room in or der . This has not been easy because I own over a thousand books. To m ake m at ter s worse, the r oom is r ather sm al l, so I have temporar il y put m y books on t he fl oor . At the m oment , they cover ever y i nch of f loor space and I act ual ly have t o walk on them t o get i n or out of t he room. A shor t while ago, my si st er helped m e to car y one of my ol d bookcases up t he st air s. She went into my r oom and got a bi g surpr ise when she saw al l those books on t he fl oor . 39。 This i s the pr et ti est carpet I have ever seen, 39。 she sai d. She gazed at i t for som e t i me t hen added, 39。 You don39。 t need bookcases at al . You can si t her e in your spar e ti me and r ead t he car pet! 39。 Leson53 Hot snake 触电的蛇 At l ast fi remen have put out a bi g for est f ir e in Cal if ornia. Since t hen, they have been t ryi ng to f ind out how t he fi re began. For est fi re ar e oft en caused by broken glass or by ci gar et e ends whi ch people car el esly throw away. Yester day t he fi remen exami ned t he ground car eful ly, but wer e not able to f ind any br oken gl ass. They wer e also quit e sur e that a cigaret te end did not star t he fi re. This m orning, however , a fi reman a cci dent al ly di scovered t he cause. He not iced the r emains of a snake whi ch was wound round the el ect ri c wir es of a 16, 000 volt power l ine. In this way, he was able t o sol ve the m yst er y. The explanati on was si mple but very unusual . A bir d had snat ched up t he snake f rom the gr ound and t hen dr op。