题目内容
18．他们终于做出了一个决定了．They finallymade a decision．分析 made a decision
解答 答案：made a decision．
首先通过中英文句子的比对，可知英文句子中缺少"做出了一个决定"的表达．短语"做出了一个决定"的英文表达是：make a decision，句子表述的是过去的事情，所以用一般过去时，故答案为：made a decision
点评 做这类题型，首先根据所给汉语明确句子所要考查的单词或短语的拼写，再结合相关语法知识对单词或短语做出形式上的变化．
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"There have been twenty-one （33）Cwinters in China since 1986，"said scientists．"（34）Athe past 100years，as the world temperature has been up by 0.74℃，the temperature in North China has climbed 1.4℃in only 50years．"
China needs to take action to cut carbon dioxide emission （排放） because it's the main reason for world warming．The good news is that China has seen the importance of going（35）B．China sets the goal of cutting energy use by 20% and pollution emission by 10% in the 11th（36）APlan．
Here is some advice for you．
Wearing used clothes such as your brother's，sister's or dad's old T-shirts means you（37）C energy．And don't forget（38）Bthe lights when you leave a room and turn off your television and computer when they are not（39）A!Besides，taking a bus saves a lot of oil every year．Also open a window and try not to use the air conditioner（空调）．If necessary，set the temperature（40）Bin summer and lower in winter to save energy．It isn't good to use paper cups，bags or boxes in our daily life．
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