分析 這篇短文主要描述了科學技術在農(nóng)業(yè)種植方面帶來的新變化.讓西瓜生長在方形玻璃盒子,讓西瓜成為方形.方便擺放儲存,澳大利亞的科學家剛剛發(fā)現(xiàn)當他們把藍色花朵里的一種化學物質放到玫瑰中,他們可以產(chǎn)出幾乎100%藍色的玫瑰.中國的科學家發(fā)現(xiàn)了超級水稻的新品種.超級水稻不僅能保護自己不受昆蟲與疾病的傷害,并且它們能比其他品種有更高的產(chǎn)量.如今人們能生產(chǎn)比過去多1.5倍的稻米.醫(yī)生可能可以用蔬菜治療癌癥.美國科學家發(fā)現(xiàn)一種在番茄生長時把化學物質種入其中的方法.當癌癥患者吃這些番茄時,番茄就會在身體中與癌癥對抗.這種治療癌癥的蔬菜還沒對外銷售,因為科學家還沒結束對它們的檢測.如果測試發(fā)現(xiàn)這些番茄沒有問題,病人就可以開始采取這種簡單又好吃的新治療方法了.
解答 66-70 BEDCA,
66.B.推理題,結合下文 They make their watermelons grow in square (正方形的) glass boxes so the watermelons become square可知問題解決了,解決了西瓜的問題,故選B.
67.E.推理題,結合下文Australian scientists have just recently discovered that when they put a chemical from a blue flower into a rose,they can create a nearly 100% blue rose.可知培育出藍色玫瑰,可知上文的Roses are red,violets are blue,sugar is sweet and so are you可以換成紅玫瑰,藍玫瑰,故選E.
68.D.推理題,結合下文Today farmers can grow almost one and a half times more rice than they could grow in the past.可知如今人們能生產(chǎn)比過去多1.5倍的稻米,故可知中國的農(nóng)民有驚人的收成,故選D.
69.C.推理題,結合下文US scientists have discovered a way to put a chemical into tomato plants while they are growing.When cancer patients eat the tomatoes,the tomatoes will fight the cancer in their bodies可知科學家將化學物質注入番茄,與癌癥對抗,故選C.
70.A.推理題,結合前文These cancer-fighting vegetables are not yet for sale可知還沒有銷售,下文If study finds no problems with tomatoes,then patients can begin to use this easy and delicious new treatment.如果測試發(fā)現(xiàn)這些番茄沒有問題,病人就可以開始采取這種簡單又好吃的新治療方法了.可知科學家還在測試,故選A.
點評 無論對于主觀題的考查還是客觀題的考查,都是建立在對文章內容的理解上的,因此,我們在閱讀時必須把它看作一個整體,在理解全文大意的前提下有針對性地挖掘一些所需的細節(jié)內容.
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