Cùng tham khảo Đề thi KSCL môn tiếng Anh lớp 12 năm 2017-2018 lần 5 - THPT Nguyễn Viết Xuân - Mã đề 307 sau đây để biết được cấu trúc đề thi cũng như những dạng bài chính được đưa ra trong đề thi. Từ đó, giúp các bạn học sinh có kế hoạch học tập và ôn thi hiệu quả. | Rainforests make up only a small part of the Earth's surface, about six percent. They are found in tropical parts of the world. The largest rainforest in the world is the Amazon in South America. The Amazon covers billion acres, or almost five million square kilometers. The second largest rainforest is in Western Africa. There are also rainforests in Central America, Southeast Asia, Northeastern Australia, and the Pacific Islands Rainforests provide us with many things. In fact, the Amazon Rainforest is called the "lungs of our planet" because it produces twenty percent of the world's oxygen. One fifth of the world's fresh water is also found in the Amazon Rainforest. Furthermore, one half of the world's species of animals, plants, and insects live in the Earth's rainforests. Eighty percent of the food we eat first grew in the rainforest. For example, pineapples, bananas, tomatoes, corn, potatoes, chocolate, coffee, and sugar all came from rainforests. Twenty-five percent of the drugs we take when we are sick are made of plants that grow only in rainforests. Some of these drugs are even used to fight and cure cancer. With all the good things we get from rainforests, it's surprising to find that we are destroying our rainforests. In fact, acres, or 6,000 square meters, of rainforest disappear every second. The forests are being cut down to make fields for cows, to
