题目内容
10．In Changchun there're aroundfifty students in a middle school class．（five）分析 在长春，中学的每个班级中大约有五十名学生．
解答 答案：fifty．考查基数词．句意"在长春，中学的每个班级中大约有五十名学生．"，结合实际情况，每个班级的学生应该是五十个左右．因此用基数词五十fifty，故填：fifty．
点评 考查基数词．要根据提示，结合具体语境，实际情况，运用正确形式完成试题．
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We will have new energy （能源） that doesn't make （98）pollution．People will probably find ways to use cleaner things，such as sea water，to make energy without polluting the earth．
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I think we will be able to travel（97）fasterand safer around the world and into space．Maybe one day we can work in Beijing，sleep in Shanghai and visit the moon for a holiday．
We will have new energy （能源） that doesn't make （98）pollution．People will probably find ways to use cleaner things，such as sea water，to make energy without polluting the earth．
We will have machines that can copy （复制） everything in the future．Put a cake on the machine and it can make a new one．If the machine is like a fax machine （传真机），we can send food and （99）giftsto our friends easily．
We will have clever robots that help us do jobs like working in dirty or （100）dangerous places．Also，the robots can work as our servants and help with the housework．They will bring us（101）usefulthings and take away our rubbish （垃圾）．Now we have to press a key or type a word to make a machine work．But in the future，if we think of something，the machine can make it for us．The machine can（102）understand our ideas．We will be able to go into computer games and films，and everything will feel （103）real．We will be able to make our homes like forests or（104）sun beaches or anything we want．That may not possible now，but computers，space rockets also seemed （105）impossible 100years ago．We never now what will happen in the future!