Which of the following is the best title for the passage?
A. Natural mechanisms.
B. The variety of species.
C. The loss of biodiversity.
D. How ecosystems work better.
Giải bởi Vietjack
Đáp án đúng là: C
Giải thích: Dựa vào câu: Findings show that losing plants and animals is not only reducing our quality of life but actually endangering our very existence.
When a natural ecosystem is simplified, the basic processes in the ecosystem are altered and even damaged.
Dịch: Các phát hiện cho thấy việc mất đi thực vật và động vật không chỉ làm giảm chất lượng cuộc sống của chúng ta mà còn thực sự gây nguy hiểm cho chính sự tồn tại của chúng ta.
Khi một hệ sinh thái tự nhiên bị đơn giản hóa, các quá trình cơ bản trong hệ sinh thái bị thay đổi và thậm chí bị phá hủy.
Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.
In 1972 the Australian government introduced a quota system which allowed a certain number of kangaroos to be killed or “culled” every year. Legislation was introduced because farmers claimed that the kangaroos were (23) __________ their crops. The problem is that while two and a half million kangaroos can be killed legally each year, a further two and a half million are killed illegally. The animals are killed for a (24) __________ of reasons. The main one, however, is that kangaroo meat is sold for human consumption usually in the (25) __________ of steaks – or is used as pet food. There are also thousands of dollars to be made from the sale of their skins.
The environmental group Greenpeace and Australia’s Animal Liberation (AAL) are now campaigning for a ban (26) __________ the sale of all kangaroo products. They hope that this will stop unscrupulous farmers killing the animal for profit. A spokesman for AAL said, “People aren’t concerned because there are still over six million kangaroos in Australia so they are hardly an endangered species. People just don’t care about issues like this unless there is a real threat. But we know certain types have already become extinct in some areas. We must act now (27) __________ it is too late.
Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
The mining (A) of materials often bring about (B) the destruction (C) of landscapes and wildlife (D) habitats.
Some (A) snakes have hollow teeth they are called (B) fangs that they use (C) to poison their (D) victims.
Many (A) environmentalists fear (B) that the earth will run out essential (C) natural resources before (D) the end of the 25th century.
According to the passage, what might be the final result of the simplification of natural ecosystems?
Jessica __________ in love until she ___________ Ben two years ago.
In some countries environmental organizations have been ___________ to inform people and gain their support.
