分析 本文主要講述了地球變暖的問(wèn)題.科學(xué)家們說(shuō)地球正在變暖,在美國(guó)南部,他們發(fā)現(xiàn)城市變得非常炎熱.中國(guó)也有同樣的問(wèn)題.我們應(yīng)該在城市中種植更多的樹(shù),我們也應(yīng)該把我們的屋頂漆成白色.我們還可以利用太陽(yáng)能發(fā)電,這些電能可以用來(lái)運(yùn)行空調(diào).如果人們繼續(xù)砍伐森林,將不會(huì)有足夠的耕地來(lái)養(yǎng)活每一個(gè)人.
解答 66.A細(xì)節(jié)理解題.根據(jù)For many years scientists have said that the earth is getting warmer,they have found that cities become very hot in summer.For example,the city of Atlanta in Georgia has roof(屋頂) temperature of up to 50℃while it is 27℃in the streets可知科學(xué)家們發(fā)現(xiàn)城市正在變暖,故選A.
67.D細(xì)節(jié)理解題.根據(jù)后半句can be used to run the air conditioners(空調(diào)) in the buildings.可以用來(lái)運(yùn)行建筑里的空調(diào).可知前半句應(yīng)該是:這些電能,故選D.
68.A細(xì)節(jié)理解題.根據(jù)It isn't easy to change the situation.City planners say that we should plant more trees in the middle of cities可知多種樹(shù)可以使城市涼爽,故選A.
69.B細(xì)節(jié)理解題.根據(jù)If we go on like this,there will not be enough farmland to feed everyone in the world可知如果我們繼續(xù)這樣下去,將不會(huì)有足夠的耕地來(lái)養(yǎng)活每一個(gè)人,即我們將沒(méi)有足夠的食物,故選B.
70.C主旨大意題題.根據(jù)For many years scientists have said that the earth is getting warmer,they have found that cities become very hot in summer.For example,the city of Atlanta in Georgia has roof(屋頂) temperature of up to 50℃while it is 27℃in the streets可知本文主要講述了城市變暖的問(wèn)題.故選C.
點(diǎn)評(píng) 做題時(shí)要在理解好文意的基礎(chǔ)上,與題目有機(jī)的結(jié)合,從文章中找到相關(guān)細(xì)節(jié)性的句子與選項(xiàng)細(xì)細(xì)比對(duì),進(jìn)行選擇或推理判斷,選出符合文章內(nèi)容的正確選項(xiàng).做題注意靈活,有時(shí)可采用排除法或直選法確定出最終答案.
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