【正文】 Ci garet te Sm oki ng and Your Heal th39。 sai d the voi ce of t he televisi on announcer ,39。 l esson75 SOS 呼救信號(hào) When a li ght passenger pl ane f lew off course som e ti me ago, i t cr ashed i n the m ount ai ns and it s pi lot was kil led. The onl y pasenger s, a young woman and her two baby daught er s, wer e unhur t. I t was the mi ddle of wi nter. Snow l ay thick on t he ground. The wom an knew that the near est vi l age was m iles away. When it gr ew dark. she turned a suit case i nt o a bed and put t he chi l dr en inside i t, cover ing t hem wi th al l t he clothes she coul d fi nd. Dur ing t he night, i t got t er ri bly cold. The woman kept as 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 passi 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。 Oh, i s it ?39。 don39。t r ead ! 39。Now you gut out of her e, al l of you! 39。 Br inksley Mer s agr eed. 39。Thi s is a wonder ful place for a pi i c, 39。 l esson70 Red for danger 危險(xiǎn)的紅色 Duri ng a bull fi ght , a drunk suddenly wander ed into the mi ddl e of the r ing. The crowd began to shout, but t he drunk was unawar e of the danger . The bul l was busy wi th the mat ador at the t ime, but i t suddenl y caught sight of t he drunk who was shouti ng rude r em ar ks and wavi ng a r ed cap. Appar ently sensit ive to cr it ici sm , t he bul l for got al l about the matador and char ged at the dr unk. The crowd suddenl y gr ew quiet. The drunk, however , seem ed qui te sur e of hi msel f . When the bull got cl ose to hi m, he cl umsil y stepped aside t o let it pass. The crowd br oke int o cheers and t he drunk bowed. By this tim e, however, thr ee men had e int o the r ing and t hey qui ckl y dragged the dr unk t o safety. Even the bull seem ed to f eel sorr y f or hi m, for i t looked on sympatheti cal ly unt il t he dr unk was out of t he way bef ore once mor e tur ning i ts at ent ion t o t he matador . Leson71 A f amous clock 一個(gè)著名的大鐘 When you visit London, one of the f ir st t hings you wil l see i s Big Ben, t he famous clock which can be hear d al over the wor ld on the B. . I f the Houses of Parl iament had hot been bur ned down in 1834, the gr eat clock would never have been er ect ed. Big Ben takes i ts name f r om Sir Benj am in Hal l who was responsibl e for t he making of the cl ock when t he new Houses of Parl iament were bei ng bui lt . It is not only of i mmense si ze, but is extr em el y accur ate as wel . Of ici al s fr om Greenwich Observator y have the clock checked twi ce a day. On the B. . you can hear t he cl ock when it is actual y str iki ng because m icrophones ar e connected to the clock t ower . Big Ben has r arely gone wr ong. Once, however , i t fail ed to gi ve the corr ect im e. A pai nter who had been working on the tower hung a pot of pai nt on one of the hands and sl owed it down ! Leson72 A car call ed Bluebird “藍(lán)鳥”汽車 The gr eat r acing dr iver , Si r Malcolm Campbel , was the f ir st man t o dri ve at over 300 mi les per hour. He set up a new wor ld rec or d i n September 1935 at Bonnevi le Sal t Flats, Utah. Bluebir d, t he car he was dr iving, had been speci aly bui lt f or hi m. I t was over 30 feet in lengt h and had a 2500 hor se power engine. Alt hough Cam pbel r eached a speed of over 304 mil es per hour , he had great di f icult y i n cont roll ing t he car because a t yre burst duri ng the f ir st r un. Af t er hi s at tempt , Cam pbel l was di sappointed t o l ear n that his aver age speed had been 299 mi les per hour . However , a few days l at er, he was tol d that a mi st ake had been made . Hi s aver age speed had been 301 m iles per hour . Since that ti me, racing dri vers have reached speeds of over 400 m iles an hour. Foll owing hi s father39。 I cont inued dri vi ng and af ter some t ime, the examiner tapped loudly. Though the sound could be heard cl ear ly, it t ook me a l ong ti me t o react. I suddenly pr essed the brake pedal hard and we were bot h thr own f or ward. The exam iner looked at m e sadly. 39。s always plenty to r ead in t he 39。 Then I 39。 he asked, bef or e I had f inished speaking. ‘ Not at al ,39。 I39。r e not busy doing anything, are you ?39。 39。s clot hes. Now, dressed i n a blue uni form and wi th a ri fl e over his shoulder, t he pr isoner m ar ched bol dl y up and down i n fr ont of t he cam p. He coul d hear shout ing i n the camp i tself . Lights wer e blazing and men wer 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 糾纏不休 I crossed the str et t o avoi d meeti ng him, but he s