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leminhchau
2 năm trước
Mot thua ruong hinh chu nhat co chu vi 500m chieu rong it hon chieu dai 100m A. Tinh dien tich thua ruong B. Tinh so ta thoc thu duoc tren thua ruong do biet moi met vuong thu hoach duoc 5kg thoc
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II. Read the passage carefully and then write True or False for the following sentences 2. Everyday on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, for example, pollution problems. Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains and poisonous gases emitted from factories. Also, waste is dumped any where, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and the fish they catch feed many people. But the sea has become so polluted from oil spills and factory wastes that the fish are dying. This pollution is not only killing the fish, but is also affecting those people who eat fish. Seldom do you find a place nowadays that is not polluted. This problem is growing more difficult everyday. We must find a good solution that makes the world a better place to live. 1. Environmental pollution is one of the world’s problems. …………… 2. Vehicles and factories account for air pollution. …………… 3. Waste is usually dumped in the city where many people are living. …………… 4. the sea water is now heavily contaminated by oil spill and industrial sewage. …………… 5. All of fish are dying because of people kill them for food. …………… 6. At present, there are no unpolluted places in the world. ……………

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