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Unit 3 Inventors and inventions Ⅰ.单项填空 1．(2017·山师大附中模拟)The man who hit so many people in a row had drunk so much that his mind could no longer ________ between fantasy and reality. A．distinguish B．discourage C．disturb D．disappear 答案：A 考查动词词义。句意：那个连续撞了很多人的男子喝了太多酒，所以他的大脑分辨不出幻想和现实。distinguish“区别；辨别”，符合句意。discourage“使气馁；阻碍”；disturb“扰乱；妨碍”；disappear“消失；不存在”。 2．(2017·豫东六校联考)The companions with ________ my brother associates are friendly and warmhearted. A．whom B．which C．that D．them 答案：A 考查定语从句的用法。句意：我弟弟交的伙伴很友好而且还很热心。先行词是the companions，associate with“与……交往”，介词with提到了前面，故用with whom。 3．(2017·平遥高三质检)The sound of the happy laughter ________ memories of his childhood. A．called up B．called on C．called for D．called in 答案：A 考查短语意义。句意：幸福的笑声唤起了他童年的记忆。call up“使想起”，与句意相符。call on“号召”；call for“要求”；call in“召集；招来”。 | 
