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1、Unit 1 (reading)More practiceUnit 2 Living in another country (reading)My name is Brad Li. Im here today to tell you about my experience as an exchange student in the United States last year.I must admit that at first America was a big culture shock for me. Many things were strange to me: the langua
2、ge, the food and even the school.I stayed with a host family in a small town. My host parents, Mr and Mrs Hurst, were very kind. They organized a lot of activities for me in my spare time so that I wouldnt miss home or feel lonely.However, to a certain degree, life in the US was hard to get used to.
3、 My main problem was with the language. I failed to understand much in the first few weeks because everyone spoke so fast. Though I soon managed to get used to it, I still had problems because they used a lot of idioms. For example, they often say they are “under the weather” when they are ill. Thei
4、r everyday English is very different from what we learn in China.Another difference was the food. My host family always had bread, potatoes and salad for meals. I really missed the dumplings, rice and delicious dishes from home.School was a big shock too. They do not require students to wear uniform
5、s, so students can wear almost whatever they like. Some students have strange hairstyles as well. Some students even have pink or purple hair!Anyway, I have many great memories of that year, especially playing in the snow in winter, and playing baseball. At Halloween, I went to a party dressed as Ha
6、rry Potter. At Thanksgiving, we had a big dinner with a huge turkey. It was an exciting year, and it was a valuable education for me. Now I understand more about American culture. My American friends asked me many questions about life in China, and this made me think about my own culture as well.Mor
7、e practiceUnit 3The world is in dangerOur world is in danger. We must do something to protect the environment. But, what are the main problems we face?The greenhouse effectThe atmosphere around the Earth is necessary for all living things. It is like the glass of a greenhouse, letting sunlight in an
8、d keeping heat from getting out. Without it, the Earth would be the same as the Mooncold and lifeless.When we burn fuels such as petrol and coal, we produce a gas called carbon dioxide (CO2). Too much of this gas pollutes the atmosphere, and causes it to keep in too much heat. As a result of the gre
9、enhouse effect, the Earths temperature is increasing. This causes sea level to rise, and in the future may cause cities to disappear.Cutting down forestsEvery year, we destroy nature by cutting down huge areas of forests. This makes the greenhouse effect worse because trees take in CO2 and produce o
10、xygen. Cutting down trees also destroys the homes of the animals that live in our forests, and causes the surface of the soil to be easily destroyed by rain. This can result in floods and even more damage to the environment.Bad habitsMany of our habits cause pollution. People often use things once a
11、nd then throw them away, or leave them on the ground as litter. This creates mountains of rubbish and pollutes our land and seas. In order to protect the environment, we need to take proper action. We should be different from many consumers and become “green consumers”. This means that we should onl
12、y buy and use products friendly to the environment. We should also recycle as many things as we can. We can reuse things forthe same purpose as before, or we can use them for new purposes. If we just learn to live in new and different ways, we can make a difference.Unit 4The great floodLast week in
13、Geography class, we learnt that if all the ice in the North and South Poles melted, sea level around the world would rise, and many cities would be flooded and disappear.It started to worry me. What would happen if our city was badly flooded? Would anyone remain alive?Last night, I dreamt about a gr
14、eat flood:It was nine oclock in the morning. My bedroom floor was a pool of water. I looked out of the window. Water was everywhere. It covered roads, parks and small houses. Large objects, such as coaches and boats, passed by my window. They were floating in the water.I could not just stand there!
15、I had to do something!I tried to call my dad, but the line was dead. My computer was still working, so I sent him an email. I wrote, “Dad, theres a flood! What should we do?”He sent me an email back which said, “Kevin, my boss has given me some work. Its important to stick with it. I cant afford to
16、sit around and worry about the flood.”Then I emailed my best friend. “What should we do about the flood?” I asked. My friend replied, “I have no time to think about the flood. Im playing computer games ”I shouted, “The WATER! Look at the WATER!” But my cries fell on deaf ears. In offices and homes, people just sat and stared at their computer scre
