egotfromher75﹣year﹣oldsonwhorecentlytookitupasahobby.(她从她75岁的儿子那里得到了一个主意,她的儿子最近把它当作一种爱好)可知她从75岁的儿子那里有了高崖跳伞运动的想法,故选D。【10题详解】细节理解题。根据文章最后一段Prettyamazing!可知作者对于MaryHardison的挑战,自我感觉非常震惊,故选A。【11题详解】推理判断题。通读全文,可知这是一篇新闻报道,报道了101岁的MaryHardison在她生日的时候挑战自我,做了一些极限运动,作者对此感觉非常惊讶,故选A。Overmillionsofyears,Africanpenguinshavedevelopedakeensenseofwheretofindfood.Oncethey'reoldenough,theysetofffromtheshoresonwhichtheywerehatched(孵化)forthefirsttimeandswimlongdistancesinsearchoftastyfishlikeanchoviesandsardines.Buttheydon'tsearchdirectlyforthefishthemselves.WhenAfricanpenguinsheadouttosea,theylookforareaswithlowsurfacetemperaturesandhighchlorophyll(叶绿素).Becausethoseconditionssignalthepresenceofalgae(藻类).Andlotsofalgaemeanslotsofplankton(浮游动物),whichinturnmeanslotsoftheirfavoritefish.Well,that'swhatitusedtomean.
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