1、by Stephen William HawkingRemember to look up at at your feet.and not downthe starstheoretical physicistcosmologistRemember to look up at the stars and not down at your feet.the earthplanetssolarWe live on _.Its one of the _ of the _ system./mkjr/vins/dupt/stn/jrns/nptjun/Put these paragraphs in the
2、 correct order.The answer isE B A D CHOW LIFE BEGAN ON THE EARTHLISTEN,DRAW AND TALK Listen carefully and tell me what you heardNo one knows exactly how the earth _.According to a widely accepted theory,the universe began with a_.began“Big Bang”READ,DRAW&TALK“Big Bang”exploded loudly and produced wa
3、ter vapour and many gases making the earths atmosphere.As the earth cooled down,water _.appearedIt was the presence of _ that allowed the earth to dissolve harmful gases and acids into the oceans and seas,which made it possible for _ to develop.waterlifeAfter the _ of small plants,green plants began
4、 to grow on land,followed by land animals.Later,dinosaurs developed and suddenly _.After that,mammals came into being.appearancedisappearedFinally,_ appeared and put too much carbon dioxide into the atmosphere,making the earth too _to live on.humanshotPART 1(PARA 1,2)_THE DEVELOPMENT OF THE EARTHPAR
5、T 2(PARA 3,4,5)_THE DEVELOPMENT OF LIFE“What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.”The word“allowed”is closest in meaning to which of following?A.accept B.let somebody go into C.make it possible“The human race should not have all its eggs in one basket,or on one planet.Lets hope we can avoid dropping the basket until we have spread the load（负荷）（负荷）.”ASSIGNMENTRead the quotation from Stephen Hawking and write down your own sentence about the future of life on the earth.THANK YOU
