分析 这篇短文主要描述了科学技术在农业种植方面带来的新变化.让西瓜生长在方形玻璃盒子,让西瓜成为方形.方便摆放储存,澳大利亚的科学家刚刚发现当他们把蓝色花朵里的一种化学物质放到玫瑰中,他们可以产出几乎100%蓝色的玫瑰.中国的科学家发现了超级水稻的新品种.超级水稻不仅能保护自己不受昆虫与疾病的伤害,并且它们能比其他品种有更高的产量.如今人们能生产比过去多1.5倍的稻米.医生可能可以用蔬菜治疗癌症.美国科学家发现一种在番茄生长时把化学物质种入其中的方法.当癌症患者吃这些番茄时,番茄就会在身体中与癌症对抗.这种治疗癌症的蔬菜还没对外销售,因为科学家还没结束对它们的检测.如果测试发现这些番茄没有问题,病人就可以开始采取这种简单又好吃的新治疗方法了.
解答 66-70 BEDCA,
66.B.推理题,结合下文 They make their watermelons grow in square (正方形的) glass boxes so the watermelons become square可知问题解决了,解决了西瓜的问题,故选B.
67.E.推理题,结合下文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.可知培育出蓝色玫瑰,可知上文的Roses are red,violets are blue,sugar is sweet and so are you可以换成红玫瑰,蓝玫瑰,故选E.
68.D.推理题,结合下文Today farmers can grow almost one and a half times more rice than they could grow in the past.可知如今人们能生产比过去多1.5倍的稻米,故可知中国的农民有惊人的收成,故选D.
69.C.推理题,结合下文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可知科学家将化学物质注入番茄,与癌症对抗,故选C.
70.A.推理题,结合前文These cancer-fighting vegetables are not yet for sale可知还没有销售,下文If study finds no problems with tomatoes,then patients can begin to use this easy and delicious new treatment.如果测试发现这些番茄没有问题,病人就可以开始采取这种简单又好吃的新治疗方法了.可知科学家还在测试,故选A.
点评 无论对于主观题的考查还是客观题的考查,都是建立在对文章内容的理解上的,因此,我们在阅读时必须把它看作一个整体,在理解全文大意的前提下有针对性地挖掘一些所需的细节内容.
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