【正文】 those of a Dakot a. Many people have shown inter est in this new and unusual spor t. But t hough ai r cycl ist s may learn how to fl y over short distances, and may, eventual y, even get across the Engli sh Channel, i t is doubt ful whether they wi l ever cycle across the At l ant ic. Lesson67 Vol canoes 火山 Har oun Tazi ef f the Pol ish sci ent ist, has spent his l if e ti me studying acti ve volcanoes and deep caves i n al part s of the wor ld. In 1948, he went t o l ake Ki vu i n the Congo t o observe a new vol cano which he lat er na med Ki tur o. Tazief f was abl e to set up his camp very cl ose t o t he vol cano whi le i t was erupti ng violentl y. Though he managed to t ake a num ber of bri l iant phot ogr aphs, he coul d not stay near the volcano for very long. He not iced t hat a r iver of liqui d rock was i ng towards hi m. It t hr eat ened to surr ound hi m pl et ely, but Tazief f managed to escape just i n t ime. He wai ted unti l the volcano became quiet and he was abl e to retur n t wo days l ater. Thi s ti me, he m anaged to cl im b int o the m out h of Kit uro so t hat he could t ake phot ogr aphs and measur e temper at ur es. Tazi ef f has 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 ater how busy you are, he always 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。so i t was f ort unat e that we didn39。Jumbo m ust weigh a few t ons, 39。guard of honour39。t . Geof fr ey asked her why thi s was so and she t ol d him t hat she di d not li ke to see so many peopl e laughi ng at hi m! Lesson64 The Channel Tunnel 海峽隧道 In l 858, a Fr ench engineer, Ai me Thome de Gam ond, ar ived in Engl and wit h a plan f or a twent yone mi le t unnel acr oss t he Engli sh Channel . He said t hat i t woul d be possi bl e to bui ld a pl atf orm in the cent re of t he Channe l. This pl atf or m would serve as a port and a r ai lway st at ion. The tunnel woul d be wel venti lated i f tal l chim neys wer e built above seal evel . I n 1860, a bet ter plan was put for ward by an Engl ishman, Wil li am Low. He suggested t hat a double r ail way tunnel shoul d be buil t. This woul d solve the pr obl em of venti lati on, f or if a t rain ent er ed t hi s t unnel , 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 fi rst ti me i n histor y. Lesson65 Jumbo versus the poli ce 小象對警察 Last Chr istm as, the ci rcus owner , Ji mmy Gates, decided to take som e present s to a chi ldren39。cl ock this evening. By that ti me, the Astr a wi l have been f lyi ng through space f or seventeen hour s and wil l have c ir cled t he ear th a gr eat m any t im es. When t he fi rst radio mesages have been r ecei ved, the r esul ts of the t ri p wi l be announced immedi ately. Leson62 Aft er the fi re 大火之后 Fir emen had been f ight ing t he forest fi re f or near ly t hree weeks bef ore t hey coul d get i t under cont rol . A shor t ti me befor e, gr eat tr ees had cover ed the countr ysi de for mi les around. Now, smoke sti l r ose up fr om t he warm ground over t he desolat e hi l s. Wint er was i ng on and the hil ls t hreatened the surr oundi ng vil lages wi th destr uction, f or heavy rain would not only wash away the soil but would cause seri ous fl oods as wel . When t he fi re had at last been put out , the f or est authori ti es or dered sever al t ons of a speci al t ype of gr as seed which woul d grow qui ckly. The seed was sprayed over the gr ound in huge quant it ies by aer oplanes. The planes had been planti ng seed f or nearl y a m ont h when it began to r ain. By t hen, however , in m any pl aces the gr ass had alr eady t aken r oot. In place of t he great tr es whi ch had been growi ng ther e for c ent uri es, patches of gr en had begun to appear i n the bl ackened soil . Lesson63 She was not amused 她并不覺得好笑 Geof f rey Hampden has a lar ge ci rcl e of f r iends and i s ver y popular at part ies. Ever ybody admi res him f or hi s fi ne sense of hum or ever ybody, that is, except hi s sixyear old daught er, Jenny. Recentl y, one of Geoff r ey39。Your sister wi l be here i n l ess than an hour and we must be at t he st ation to m et her . We ar e lat e alr eady.39。Where have you been hi ding ?39。A relat ion of your s is i ng to see you. She wi l l be ar ri ving t hi s eveni ng and i nt ends t o stay f or a few days. The m om ent you l eave t hi s tent, you wi l get a big surpr ise. A woman you know wel l wil l rush towar ds you. She wi l speak t o you and then she wil l lead you away fr om t his place. That is al l.39。. Because the t ree was m ent ioned in a newspaper , t he number of vi si tor s to Fr inl ey has now i ncr eased. The tr e was pl ant ed near a church f if ty years ago, but i t is only i n r ecent year s that i t has gai ned an evil r eput at ion. It i s sai d that if anyone t ouches the t ree, he wil l have bad l uck。wai t ing r oom ! 39。 Ther e39。l l e wi th you,39。m going to t he dent ist. 39。 I lied, 39。Woul d you mi nd my i ng wi th you ?39。m going t o.. .39。 I answer ed. 39。 39。 I was j ust wonder ing how to spend the m or ningunti l I saw you. You39。Hul lo, Eli zabeth,39。Fancy m eet ing you here ! 39。Hul l o, Ber t, 39。t have to car y him . Of cour se, we