【正文】 oft en ri sked his lif e i n thi s way. He has been abl e t o tel us m or e about acti ve vol canoes than any man ali ve. Leson68 Persist ent 糾纏不休 I cr ossed t he st reet to avoid m et ing hi m, but he saw me and came r unni ng towar ds me. It was no use pretending t hat I had not seen him, so I waved to hi m. I never enjoy m et ing Bert Dykes. He never has anythi ng to do. No m at ter how busy you are, he al ways insists on i ng wi th you. I had t o t hi nk of a way of prevent ing hi m f r om f ol lowi ng me ar ound al l morni ng. 39。t . Geof f rey asked her why t hi s was so and she t old hi m t hat she did not li ke to see so many peopl e laughing at him! Lesson64 The Channel Tunnel 海峽隧道 In l858, a French engi neer, Ai me Thome de Gam ond, ar ived i n England wi th a pl an for a t went yone mi le tunnel across the Engli sh Channel. He said that i t would be possi ble t o buil d a platf orm i n the centr e of the Channe l . Thi s platf orm would serve as a por t and a r ail way stati on. The t unnel would be wel l vent il at ed if t al l chi mneys wer e buil t above sea level . In 1860, a bet ter plan was put for ward by an Engl ishman, Wi li am Low. He suggest ed that a double rail way tunnel should be bui lt . Thi s would solve t he problem of venti lati on, f or if a t rai n ent ered t hi s tunnel, it woul d draw in f resh air behind i t. Fort yt wo year s lat er a tunnel was actual y begun. If , at t he ti me, the Br it ish had not f ear ed invasi on, i t would have been pl et ed. Recent ly, ther e has again been great inter est in the i dea of a Channel Tunnel . If i t is buil t, i t wi l l connect Br it ai n t o Europe f or t he f i r st t i m e i n hi st or y. Lesson65 Jumbo versus the poli ce 小象對(duì)警察 Last Chr istm as, the ci rcus owner , Ji mmy Gates, decided to take som e present s to a chil dren39。A r elati on of your s is i ng to see you. She wi l be ar ri ving t hi s evening and i ntends to stay f or a f ew days. The moment you leave t his t ent , you wil l get a big sur pri se . A wom an you know wel wi l r ush t owards you. She wi l speak to you and then she wi l lead you away fr om this pl ace. That i s al. 39。 As she wal ked away, I fol lowed her out of the f air . Lesson61 Trouble wi t h the Hubble 哈勃望遠(yuǎn)鏡的困境 I n f utur e, ast r onauts wi l be r equi red t o descend fr om a spaceship whi le it is st il i n space and to retur n t o it . The abi li ty t o do t hi s wi l be necessar y in f utur e fl ights to di st ant plas. Sci ent ists ar e now t ryi ng to di scover i f thi s is possi bl e. The spaceship Ast ra whi ch lef t he ear th a shor t ti me ago, wi l be t raveli ng t hr ee hundr ed mil es into space. At a cert ain poi nt , the Astr a wi l stop f or a shor t ti me and an ast ronaut wi l at empt to l eave t he st ati onar y spaceship and then ret ur n t o it . We shal not know whet her t he exper iment has been succesf ul unti l we have recei ved a radio mesage. The f ir st m essage i s expected t o ar ive at 7 o39。 said a pol icem an af t er wards, 39。Hull o, El izabet h,39。 39。 he answered.39。 he said, i n a m ournf ul voi ce,39。Wher e have you been hidi ng ?39。guard of honour39。 I sai d. 39。 I answered.39。m goi ng t o the dent i st. 39。Just one m ore t hing, Mr Eames. Let us suppose that a chi l d suddenl y cr osses t he road i n fr ont of you. As soon as I t ap on the wi ndow, I want t he car t o be st opped im mediat el y. 39。s fi shi ng, or eight hour s in a cinema sei ng the same f il m over and over agai n, i s usual y as far as they get. They have al l been put to shame by a boy who, whil e playing t ruant, t ravel led 1600 mi les. He hit ch hi ked t o Dover and, towar ds evening, went i nto a boat to f ind somewhere to sleep. When he woke up next m or ning, he discovered t hat t he boat had, i n the 朔州市摩根。Mr Eam es,39。l l e wit h you, 39。m goi ng to.. .39。 39。Jumbo must weigh a f ew t ons,39。Your si st er wil l be her e in l es t han an hour and we must be at the stati on to meet her. We are l ate alr eady. 39。 leson70 Red f or danger 危險(xiǎn)的紅色 Dur ing a bul lf ight, a dr unk suddenl y wander ed int o the m iddle of t he ri ng. The crowd began t o shout, but the dr unk was unawar e of t he danger. The bull was busy wi th t he matador at t he ti me, but it suddenl y caught si ght of t he dr unk who was shout ing r ude remar ks and wavi ng a red cap. Appar ent ly sensi ti ve to cr it icism, the bul l f ot al about t he matador and charged at the drunk. The crowd suddenl y grew qui et . The drunk, however, semed qui te sure of him sel f. When t he bul l got cl ose t o him , he cl um si ly st epped asi de to let it pas. The cr owd br oke i nto cheers and the dr unk bowed. By t his t ime, however , three m en had e i nto t he ri ng and they quickly dr agged t he drunk t o saf et y. Even t he bull semed t o f el sor ry for him , for it l ooked on sympatheti cal ly unti l the dr unk was out of the way bef or e once more turni ng it s at tenti on to the mat ador . Lesson71 A fam ous cl ock 一個(gè)著名的大鐘 When you vi si t London, one of t he fi rst thi ngs you wi l see is Bi g Ben, the f amous cl ock which can be hear d al over t he worl d on t he . C. If t he Houses of Par li am ent had hot been bur ned down i n 1834, t he gr eat cl ock woul d never have been er ect ed. Bi g Ben takes it s nam e fr om Si r Benj am i n Hal l who was r esponsi bl e f or t he maki ng of t he cl ock when the new Houses of Par li am ent wer e bei ng bui lt . It i s not onl y of i mm ense si ze, but is extr em ely accur ate as wel . Of fi ci al s f r om Gr enwi ch Obser vat or y have the cl ock checked t wice a day. On t he B. B. C. you can hear t he cl ock when it i s act ual ly str i ki ng because m i cr ophones ar e connecte d t o t he cl ock t ower. Bi g Ben has rar el y gone wr ong. Once, however , i t f ai led t o give t he cor rect im e. A pai n