Câu hỏi:
01/05/2022 229Read the following passage and mark the letter A, B, C, or D on your answer sheet to choose the word or phrase that best fits each of the numbered blanks from 25 to 29
Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes (25) _______ ecosystems. If there is too little rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals (26) ______ 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 and lets the seeds (27) _______. Polluting the air, soil, and water can harm ecosystems. Building dams on rivers for electric power and irrigation can harm ecosystems (28) _______ the rivers. Bulldozing wetlands and cutting down forests destroy ecosystems. Ecologists are working with companies and governments to find better ways of (29) _______ 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.
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Trả lời:
harm: (v) làm nguy hại
Chọn D
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
“Did you enjoy your picnic?” – Yes, we had a great time and on the way home, we stopped ___ the sunset”
Câu 2:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
The Smiths have been ___ guilty of kidnapping their neighbor’s child and have been sentenced to ten years in prison.
Câu 3:
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It started to rain at 2 o’clock and it is still raining.
Câu 4:
Câu 5:
At first, Mark thought it would be great to build his own ranch, but he was forced to _______ the idea when the bank refused to give him a loan.
Câu 6:
It’s no wonder the children felt disappointed because first their parents promised to take them to Disneyland and then they______ on their word.
Câu 7:
I don’t mind waiting for other ten minutes, but will you please keep me company?
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