Để giúp các bạn học sinh củng cố lại phần kiến thức đã học, biết cấu trúc ra đề thi như thế nào và xem bản thân mình mất bao nhiêu thời gian để hoàn thành đề thi này. Đề thi KSCL môn tiếng Anh lớp 12 năm 2017-2018 lần 5 - THPT Nguyễn Viết Xuân - Mã đề 305 dưới đây để có thêm tài liệu ôn thi. | 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
