分析 文章介紹未來(lái)人類(lèi)可以利用自動(dòng)駕駛儀來(lái)操縱自己的汽車(chē),文章客觀的介紹了自動(dòng)駕駛儀的優(yōu)缺點(diǎn).
解答 21.B:標(biāo)題確定題:根據(jù)文章的內(nèi)容和第一段的句子:As people adventure further and further away and as planes,trains,cars,and rocket ships become faster,is it safer to have these vehicles controlled by humans or by computers可知這篇文章講的是未來(lái)旅游的方式,選B
22.C:細(xì)節(jié)題:根據(jù)文章最后一段的句子:It could also be argued that in unexpected situations,computers might not be able to respond appropriately;可知自動(dòng)駕駛儀的缺點(diǎn)是在預(yù)料之外的情況中它可能不能做出適當(dāng)?shù)姆磻?yīng),選C
23.A:細(xì)節(jié)題:根據(jù)文章第二段的句子:However,cars today can sense when something is too close and warn the driver with flashing lights and alarms.可知如果有些滾下的石頭朝你的汽車(chē)過(guò)來(lái)了,你的汽車(chē)自動(dòng)駕駛儀會(huì)通知你危險(xiǎn)的,選A.
點(diǎn)評(píng) 在對(duì)科技說(shuō)明文進(jìn)行閱讀理解是,考生可以尤其注意中心句,中心段(首尾)、轉(zhuǎn)折句和問(wèn)題中出現(xiàn)的詞,尤其是一些很有特點(diǎn)的詞如專(zhuān)有名詞.在文段中快速找到相應(yīng)詞語(yǔ)所在位置,問(wèn)題的答案往往就在附近.
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