Unit 3 Inventors and inventions grammar课时作业

　　一、打牢语言基础，基稳才能楼高

　　[单元语言点综合练习]

　　Ⅰ.单项填空

　　1．A beautiful sunset is a(n) ________ sight, which impressed me most in my childhood.

　　A．awesome　　　　　　 　B．troublesome

　　C．hopeful D．harmless

　　解析：选A　句意：太阳下山时的景色令人叹为观止，这是我儿时印象最深刻的。awesome "极好的，令人惊叹的"；troublesome "麻烦的，讨厌的，棘手的"；hopeful "抱有希望的，有希望的"；harmless "无害的"。

　　2．Tuhao, dating back perhaps as far as the Southern Dynasty, has ________ its new meaning in the past few years.

　　A．taken on B．put on

　　C．carried on D．depended on

　　解析：选A　句意：可能会追溯到远至南朝时期的"土豪"一词这几年来已经呈现新的含义。take on"呈现，承担"；put on "穿上，上演"；carry on "继续进行"；depend on "依靠，依赖"。

　　3．John swims very well, but I don't like the way ________ he always shows off in public.

　　A．which B．how

　　C．by which D．/

　　解析：选D　分析句式结构可知，空格处引导定语从句并代替先行词the way 在从句中作状语，此时用that 或in which 引导定语从句，that 或in which 可以省略。

　　4．They were so rigid that their decision was based on ignorance and ________.

　　A．reputation B．demand

　　C．decline D．prejudice

　　解析：选D　句意：他们是如此刻板，以至于他们的决定是建立在无知和偏见的基础上。reputation "名誉，声望"；demand "要求，需求"；decline "衰落，衰败，下降"；prejudice "偏见"。

　　5．She has a large collection of CDs. It is ________ to everyone that she loves music.

　　A．general B．typical

　　C．normal D．evident

解析：选D　句意：她收藏了很多光盘。显然，大家都清楚她热爱音乐。general "一般的，大体的"；typical "特有的，典型的"；normal "正常的"；evident "清楚的，