3 Unit 3知能演练轻松闯关

课时练1 阅读理解提速练 阅读理解 A 2019沈阳市高三模拟Wild elephants can tell whether a voice comes from a man，a woman or a boy，a new study says.That’s what researchers found when they played recordings of people for elephants in Kenya.Scientists say this is an advanced thinking skill that other animals haven’t shown.It lets elephants figure out who is a threat and who isn’t.The result shows that the clever animals are also studying people，said study author Karen McComb. “Basically，they have developed this very rich knowledge of the humans that they share their habitat with，”said McComb，a professor at the University of Sussex in England.“Memory is key.They must build up that knowledge somehow.” The study was released on Monday in the Proceedings of the National Academy of Sciences. It’s close to but not quite like the Dr.Seuss’s book，where the elephant Horton hears something that others can’t hear. McComb and colleagues went to Amboseli National Park in Kenya，where hundreds of wild elephants live among humans，sometimes coming in conflict over scarce water.The scientists used voice recordings of Maasai men，who on occasion kill elephants，and Kamba men，who are less of a threat to the elephants. As a result，the elephants reacted more defensivelyretreating and gathering in a bunchto the Maasai language recording because it was associated with the more threatening human tribe，said study co－author Graeme Shannon. They repeated the experiment with recordings of Maasai men and women.Since women almost never spear elephants，the animals reacted less defensively to the women’s voices.The same thing happened when they substituted young boys’ voices.“Making this kind of fine distinctions in human voice patterns is quite remarkable，”said Emory University animal cognition expert Frans de Waal，who was not part of the study. 【解题导语】 探讨表明野生大象能够识别男人、女人和男孩的声音，它们通过思维区分声音并推断谁能对他们产生威逼。 1．Who were the people taking part in the study A．Frans de Waal and Karen McComb. B．Dr.Seuss and Graeme Shannon. C．Graeme Shannon and Frans de Waal. D．Karen McComb and Graeme Shannon. D 解析细微环节理解题。依据文章第一段中的“study author Karen McComb”和第六段中的“study co－author Graeme Shannon”可知，Karen McComb和Graeme Shannon都参与了探讨，故选D项。 2．What can wild elephants benefit from their special ability A．Identifying and avoiding possible danger. B．Growing much faster than any other animals. C．Having a better understanding of humans. D．Developing their language skills. A 解析推理推断题。依据文章第一段中的“Scientists say this is an advanced thinking skill that other animals haven’t shown.It lets elephants figure out who is a threat and who isn’t”可知，这种高等的思维方式使野象能够辨别出谁能对它们造成威逼，这样它们可以避开可能的危急，故A项是正确的。 3．Which can replace the underlined word “substituted”in the last paragraph A．Distinguished. B．Repeated. C．Used.D．Compared. C 解析词义揣测题。画线词所在句中的“The same thing happened”指的是前一句中的“the animals reacted less defensively”，画线词所在句讲的是野象对年轻男孩的声音做出的反应，说明当时探讨者在对野象播放年轻男孩的声音，故选C项。 4．What does the passage mainly talk about A．Wild elephants c