阅读理解

　　(Zhang Tao has a pen pal in Australia．His name is Henry．Zhang Tao is talking with Henry on QQ．)

　　Zhang：Hi Henry．How's it going?

　　Henry：So-so．It's cold outside．

　　Zhang：Really?It's cold in your country?

　　Henry：Yes．It is snowy．It's white everywhere．

　　It is beautiful but cold outside．

　　Zhang：But it's really hot here in China．Mother doesn't let me go out in this heat．We use an air-conditioner to keep cool．

　　Henry：It's winter here．Winter is from June to August in Australia．We can go skating(溜冰)during this time．

　　Zhang：Oh,I see．You are in the south of the earth(地球),but I am in the north of it．When you are in winter,I am in summer．

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阅读下面短文，然后根据短文内容选择最佳答案。

　　Put an ice cube from your fridge into a glass of water．You have a piece of string 10 centimetres long．The problem is to take out that piece of ice with the help of the string．But you must not touch the ice with your fingers．

　　You may ask your friends to try to do that when you are having dinner together．There is a saltcellar on the table．You must use salt when you carry out this experiment．

　　First you put the string across the piece of ice．Then put some salt on the ice．Salt makes ice melt．The ice round the string will begin to melt．But when it melts, it will lose heat．The cold ice cube will make the salt water freeze again．

　　After a minute or two you may raise your piece of ice!

　　This experiment can be very useful to you．If, for example, there is ice near the door of your house, you must use much salt to melt all the ice．If you don't put enough salt, the water will freeze again．

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Thank you for joining CCTV’s Around The World show．Today, we’re in Australia．It’s a beautiful, 　　1　　 day!There are many people here on 　　2　　．Some are taking photos and others are lying on the 　　3　　．Look at this group of people 　　4　　 beach volleyball．They look cool!I am surprised they can play in this heat．This is a very interesting place．The people are really very 　　5　　!

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