2.了解SO₂的性质和用途，初步学会设计实验进行探究的技能。

1.学习运用科学探究的方法进行学习，在与他人的合作中体验实验探究的快乐。

Dear Jim,

Learning that you are coming to visit Shanghai and the Expo Garden, I’m very glad to offier you some information about the city.

Shanghai, with an area of 7037.50 square kilometers, has a population of over 18 million. There are a lot of places of interest for you to visit, such as the Priental Pearl Tower, Yu Garden and so on. And it’s very convenient to go wherever you want to by bus, by taxi or by subway.

The Expo Garden will have five zones where a host of contries,k silected cities, and notional and international organizations will present their pavilions. The 2010 Shanghai Expo will star on May 1^st and end on October 31^st.

I’m really looking forward to your coming here and I’m sure you will be deeply impressed by a new Shanghai.

Best wishes,

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Yours.

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Li Hua

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79.painting→ paintings　　 80.but→ and　　 81.popularly→ popular

76．were→are　　 77.in∧ city 加 the　　　 78. This→　 It　　　

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