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.
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes (1) ________ ecosystems. If there is too (2) ________ rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals that feed on it may also die or move away. Some changes are good for ecosystems. Some pine forests need fires for the pine trees to reproduce. The seeds are sealed inside pinecones. Heat from a forest fire melts the seal ans lets the seeds (3) ________ . Polluting the air, soil and water can harm ecosystems. Building (4) ________ on rivers for electric power and irrigation can harm ecosystems around the rivers. Bulldozing wetlands and cutting down forests destroy ecosystems. Ecologists are working with companies and goverments to find better ways of (5) ________ fish, cutting down trees, and building dams. They are looking for ways to get food, lumber, and other products for people without causing harm to ecosystems.
Điền vào ô 5
A. catching
B. holding
C. carrying
D. taking
Đáp án A.
Tạm dịch: … Ecologists are working with companies and governments to find better ways of (5) ________ fish, cutting down trees, and building dams.
Các nhà sinh thái học đang hợp tác cùng các doanh nghiệp và chính phủ để tìm ra phương thức hiệu quả hơn ________ cá, chặt rừng và xây đập.
A. catching: đánh bắt, tóm
B. holding: cầm giữ
C. carrying: mang, vác
D. taking: lấy
Đánh bắt cá chúng ta sử dụng “To catch fish”. Các đáp án khác không hợp nghĩa. Vậy đáp án là A.