In the last two paragraphs the writer wanted to make it clear that____________
A. where there are no trees, the soil becomes hard and poor
B. where there are no trees, the land might become desert slowly
C. where there are many trees, there are fewer floods
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Đáp án B
Dịch đề. Trong 2 đoạn văn cuối cùng tác giả muốn làm rõ điều______________
A. Những nơi không có cây, đất trở nên khô cứng và bạc màu.
B. Những nơi không có cây, đất dần biến thành sa mạc.
C. Những nơi có nhiều cây thì có ít lũ lụt.
D. Lũ lụt làm cho đất thành sa mạc.
Trích bài:
Đoạn 4: So unless the government has a good system of control, or can educate the people, the forests will slowly disappear - Vì vậy nếu chính phủ không có một hệ thống kiểm soát tốt hoặc giáo dục người dân thì các khu rừng sẽ dần biến mất
Đoạn 5: For where there are trees their roots break the soil up, allowing the rain to sink in and also bind the soil, thus preventing it being washed away easily, but where there are no trees, the soil becomes hard and poor. The rain falls on hard ground and flows away on the surface, causing floods and carrying away with it the rich topsoil, in which crops grow so well, when all the topsoil is gone, nothing remains but a worthless desert. – Đối với những nơi có cây cối, rễ của chúng xới đất, cho phép nước mưa chìm xuống và liên kết đất; do đó ngăn chặn việc nó bị cuốn trôi một cách dễ dàng, nhưng những nơi không có cây, đăt trở nên khô cứng và bạc màu. Mưa rơi trên mặt đất cứng và chảy trên bề mặt gây ra lũ lụt và mang theo lớp đất màu mỡ - nơi mà cây phát triển tốt. Khi tất cả lớp đất mặt biến mất, không còn gì ngoài một sa mạc vô giá trị.
Logic: Nếu tiếp tục chặt phá rừng → đất trở nên khô cằn, nước mưa không chìm xuống và giữ được đất -→ lũ lụt cuốn đi lớp đất màu mỡ → rừng biến thành sa mạc.
Phương án C không được đề cập đến Phương án A và D chỉ là một ý rất nhỏ, không phải ý mà tác giả muốn làm rõ ở cả 2 đoạn 4, 5.
→ Chọn đáp án B.Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.
Trees are useful to man in three very important ways: they provide him with wood and other products, they give him shade, and they help to prevent drought and floods.
Unfortunately, in many parts of the world man has not realized that the third of these services is the most important. In his eagerness to draw quick profit from the trees, he has cut them down in large numbers, only to find that without them he has lost the best friends he had.
Two thousand years ago a rich and powerful country cut down its trees to build warships, with which to gain itself an empire. It gained the empire but, without its trees, its soil became hard and poor. When the empire fell to pieces, the country found itself faced by floods and starvation.
Even though a government realizes the importance of a plentiful supply of trees, it is difficult for it to persuade the villager to see this. The villager wants wood to cook his food
with, and he can earn money by making charcoal or selling wood to the townsman. He is usually too lazy or too careless to plant and look after trees. So unless the government has a good system of control, or can educate the people, the forests will slowly disappear.
This does not only mean that there will be fewer trees. The results are even more serious. For where there are trees their roots break the soil up, allowing the rain to sink in and also bind the soil, thus preventing it being washed away easily, but where there are no trees, the soil becomes hard and poor. The rain falls on hard ground and flows away on the surface, causing floods and carrying away with it the rich topsoil, in which crops grow so well, when all the topsoil is gone, nothing remains but a worthless desert.
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