综合填空：

　　What do you usually use mobile phones for?Sending text messages for fun?Playing games?Well, mobile phone can do f　　1　　 more than that．D　　2　　 this year’s Asian tsunami(海啸)，mobile phones saved many l　　3　　．More than 10000 international phones were w　　4　　 when the tsunami hit．Police sent text messages to them and found more than 2000．But how?People f　　5　　 the signal and found out w　　6　　 the tourists were．So, how can s　　7　　 so small be so smart?Well, here’s how!When you turn the phone on, it tries to find a signal．This signal．This signal comes from the telephone network．

　　If you have a signal you can see it on the phone’s screen．Sometimes, if the signal is weak, i　　8　　 can be difficult to make a phone call．When the phone is finding a signal, it also sends a m　　9　　 to the telephone network．This message tells the station where the phone is．When you start to make a phone call, the telephone network tells telecommunication offices where you are．The office will find out who you’re calling then put you t　　10　　 to your friend!

缺词填空

　　John is ten y　　1　　 old，and he is a l　　2　　 boy．He has to go to school，but he is bored there and tries to do as little w　　3　　 as possible．His father and mother are b　　4　　 doctors and they hope that he will be a doctor when he g　　5　　 up．But one day John said to his m　　6　　 , “When I finish s　　7　　 , I want to be a garbage collector(拾垃圾的人)．”

　　“W　　8　　 ? ”asked his mother in surprise．“It's not a very pleasant job．Why do you want to be a garbage collector? ”

　　“Because then I only have to work o　　9　　 day a week, ”John answered．

　　“what do you mean? ”his mother asked．

　　“Well，I know the garbage collectors come to our school to work on Wednesday because I o　　10　　 see them on that day! ”