题目内容
16．Maria enjoys _____ music．A nd she can sing a lot of songs．（ ）| A． | listening | B． | to listen | C． | listening to |
分析 玛丽亚喜欢听音乐，而且她能唱很多歌．
解答 答案：C．考查动名词．句意"玛丽亚喜欢听音乐，而且她能唱很多歌．"．A听，动名词．B不定式．C听，动名词短语．enjoy doing sth喜欢做某事，因此B不正确．listen不及物动词，后跟宾语时要加to．A不正确．答案是C．
点评 动名词的形式是动词+ing，动名词从它的名称上就知道它具有动词和名词的功能，因此它在句中，可作主语、表语、宾语、定语．要结合语境选择合适用法，注意动名词变法．
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1．The traffic lights are the same in every country．（66）EBut do you know how they were born？
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An American named Garrett A．Morgan was the father of traffic lights．（67）DHe left（离开）school at the age of 14．He was very clever．（68）AAt that time，every American wanted to have a car．Streets were full of cars．（69）C"Why not put three lights at each street crossing？They should be red，yellow and green，"Morgan said．"Let them tell cars to go，wait or stop．"（70）BNow we have traffic lights on the street today．When we go by car，by bike or on foot on the street，we must follow the signs of the traffic lights．
| A．He liked to make new things． B．So he made a timer（定时器）to change the lights． C．The traffic was not good． D．He was born in a poor family in 1875． E．They are very important to keep the traffic safe． |
