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7．There is no evidence that life ________ on other planets. A．responds B．exists C．explodes D．sinks [解析]exist 存在。respond 回答；explode 爆炸；sink 下沉。 [答案]B 8．For the sake of her daughter's health, she decided to move to a warm ________. A．weather B．temperature C．season D．climate [解析]climate气候。weather 天气；temperature 温度；season季节。 [答案]D 9．Three people were killed when their car ________ into a lorry. A．charged B．crashed C．balanced D．glared [解析]crash 撞击。charge 负责，充电；balance 使平衡；glare怒视。 [答案]B 10．The sound of her voice came ________ down from an upstairs window. A．floating B．settling C．blocking D．packing [解析]float 漂。settle 安定；block 堵塞；pack 打包。 [答案]A Ⅱ.短语填空 1．Don't worry—I'm sure things will get better ________. 2．We congratulated her on ________ a fine healthy baby. 3．Class Three should be responsible for raising the red flag this week________. 4．The wall ________ all the light. It should be pulled down. 5．She told her child to ________ when crossing the street. 6．Using the computer isn't difficult once you ________ it. 7．________ you are grown up, you should not rely on your parents. 8．Should another world war ________， what would become of human beings? 9．The crowd ________ when they saw the teams arrive. 10．I'll go with you ________ the station for company. 答案 1．in time 2.giving birth to 3.in its turn 4．blocks out 5.watch out 6.get the hang of 7．Now that 8.break out 9.cheered up 10．as far as Ⅲ.单词拼写 1．It cost him more than one ________ (十亿) dollars to complete the project. 2．“What happened？”John's mother asked him in a ________ (温和的) voice. 3．Before the Earth's protective ________ (大气层) was formed, there was no life except in the sea. 4．With the________ (引力) of the moon and the sun each day, tides (潮汐)roll in and roll away. 5．Manmade ________ (卫星) are used for sending and receiving messages. 6．Smoking ________ (增加) the risk of heart attacks and other health problems. 7．Eating too many desserts can be ________ (有害的) to one's teeth. 8．Global warming and ________ (气候) change problems are perhaps the greatest threats to our planet. 9．According to the | 
