7.One picture in the Wonder Book of knowledge I had as a little boy showed a man reading a book while floating in the Dead Sea.What a miracle!How would it feel to lie back in water so thick with salt that it was impossible to sink?
Fed by the Jordan River and smaller streams,the Dead Sea is the lowest point on the earth's surface,and its water is ten times saltier than the Mediterranean.With evaporation its only outlet,salt and other minerals become super-concentrated.
Earlier this year,I drove down the long,steep hill to realize my dream.The shoreline was a broad area of bare salt-mud,but the water edge was far out of sight.Had somebody pulled the Dead Sea's plug?I wondered.Eli Dior,an Israeli official,explained the problem:"The Dead Sea is drying up.Every year,the surface drops about one meter,and as the water level falls,shadow areas are left high and dry."
Over the last half-century,the five neighboring countries have collectively diverted nearly all the water flowing into the Dead Sea to meet human and agriculture needs.Result:the Dead Sea is being emptied.
With population in the region set to double at least in the next 50years,there is little hope of restoring the water being diverted for human consumption.No country has a drop to spare for the Dead Sea,where they know it will just evaporate.To dream of opening the dams and restoring natural balance is plainly unrealistic.
Yet one ambitious high-tech dream may turn out to be not only the salvation of the Dead Sea but also a ticket to peace around its shores.The"Red-Dead"is a proposed $5billion project to bring sea water some 240kilometers by pipeline and canal from the Red Sea to the Dead Sea.The Red-Dead may be the only solution,but even if the project is carried out successfully,the Dead Sea will be 10to 20meters lower than now and two thirds of its current size.
Whatever the future holds,the Dead Sea's magical mix of sun,mud,sea and salt will surely survive.Many might complain that the Dead Sea is half empty-but for me the Dead sea will always be half full.
74.What's the passage mainly about?C
A.Dead Sea-miracle of the world.
B.Save the environment of the Dead Sea.
C.Slow shrinking of the Dead Sea.
D.Why is the Dead Sea so salty.
75.The shrinking of the Dead Sea is mainly caused byA according to the passage.
A.a(chǎn) severe reduction of the water flowing into the sea.
B.rapid evaporation of the water in the Dead Sea area.
C.the increasing quantity of water drawn from the sea.
D.very low annual rainfall in the Dead Sea Area.
76.Which of the following is right according to the passage?A
A.With no outlet to any ocean,the Dead Sea has become by evaporation the saltiest on earth.
B.Though burdened with the growing population,the neighboring countries haven't cut off the sources of the Dead Sea.
C.All the countries in the area will consider diverting less water from the Jordan River.
D.The Red-Dead Project has not only brought water to the Dead Sea,but peace to the area as well.
77.Which of the following statements will the author approve of?D
A.If the Dead Sea dried up,great natural disasters would happen in the region.
B.The Dead Sea will not survive no matter what people do to save it.
C.The five neighboring countries should stop diverting water from the Jordan River.
D.Though the Dead Sea is shrinking gradually,it will not die.
分析 本文屬于說(shuō)明文閱讀,作者通過(guò)這篇文章告訴我們?nèi)缃袼篮V械乃诓粩嗟谋徽舭l(fā),因此死海也在慢慢干涸,很多國(guó)家在想辦法將海水匯入死海,而在作者心中死海是永遠(yuǎn)半滿的,是不會(huì)干涸的.
解答 74.C 主旨大意題,通讀全文可知本文主要向我們講述了如今死海正在慢慢干涸的事實(shí),故選C.
75.A 細(xì)節(jié)理解題,根據(jù)第三段The Dead Sea is drying up.Every year,the surface drops about one meter,and as the water level falls,shadow areas are left high and dry."可知死海正在慢慢干涸的原因是因?yàn)樗乃徊粩嘞陆,流入死海的水越?lái)越少,故選A.
76.A 細(xì)節(jié)理解題,根據(jù)第二段With evaporation its only outlet,salt and other minerals become super-concentrated.可知死海沒(méi)有出水口,蒸發(fā)是唯一的出口,因此死海中的鹽類(lèi)和礦物質(zhì)很多,故選A.
77.D 推理判斷題,根據(jù)最后一段Many might complain that the Dead Sea is half empty-but for me the Dead sea will always be half full.可知很多人可能會(huì)抱怨死海已經(jīng)快空了,但是對(duì)作者來(lái)說(shuō)死海永遠(yuǎn)是半滿的,因此作者認(rèn)為死海是不會(huì)干涸的,故選D.
點(diǎn)評(píng) 考查學(xué)生的細(xì)節(jié)理解和推理判斷能力.做細(xì)節(jié)理解題時(shí)一定要找到文章中的原句,和題干進(jìn)行比較,再做出正確選擇.在做推理判斷題時(shí)不要以個(gè)人的主觀想象代替文章的事實(shí),要根據(jù)文章事實(shí)進(jìn)行合乎邏輯的推理判斷.