分析 本文主要是講巧克力中發(fā)現(xiàn)的theobromine(可可堿)可以用來(lái)治愈咳嗽.
解答 24-26 DBB
24.D 細(xì)節(jié)理解題.根據(jù)文章第二段that theobromine(可可堿),found in cocoa,was nearly a third more effective in stopping coughs than codeine,說(shuō)明他們認(rèn)為theobromine是一種有效的治療咳嗽的方法.故D正確.
25.B 細(xì)節(jié)理解題.根據(jù)第四段1,2行Ten healthy volunteers were given theobromine,codeine or placebo,a pill that contains no medicine,during the experiment.說(shuō)明他們被分成三隊(duì),每一隊(duì)都服用不同的東西.故B正確.
26.B 主旨大意題.根據(jù)文章第一段說(shuō)明本文主要是講巧克力中發(fā)現(xiàn)的某種物質(zhì)可以用來(lái)治愈咳嗽.故B正確.
點(diǎn)評(píng) 本文較為簡(jiǎn)單,以細(xì)節(jié)題考查為主,要求考生在閱讀時(shí)做好標(biāo)志和符號(hào),把握文章大意,仔細(xì)查找文中細(xì)節(jié),能根據(jù)文章內(nèi)容進(jìn)行合理推斷.
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