Câu hỏi:
11/09/2023 309Any change in one part of an ecosystem can cause changes in other parts. Droughts, storms and fires can change ecosystems. Some changes ____(46)___ ecosystems. If there is too little rainfall, plants will not have enough water to live. If a kind of plant dies off, the animals____(47)___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 ____(48)___. Polluting the air, soil, and water can harm ecosystems. Building dams on rivers for electric power and irrigation can harm ecosystems ____(49)___ the rivers. Bulldozing wetlands and cutting down forests destroy ecosystems. Ecologists are working with companies and governments to find better ways of ___(50)____ 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.
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Đáp án D
Ở đây ta cần một động từ
Động từ harm: gây hại, làm hại
Câu hỏi cùng đoạn
Câu 2:
Lời giải của GV VietJack
Đáp án C
Ở đây ta dùng mệnh đề quan hệ “that” để thay thế cho the animals ở phía trước
Câu 3:
Lời giải của GV VietJack
Đáp án A
out: ngoài, ra ngoài
in: bên trong, trong
go: đi
fly: bay
Câu 4:
Lời giải của GV VietJack
Đáp án B
on: trên
around: xung quanh
over: bên trên
under: bên dưới
Câu 5:
Lời giải của GV VietJack
Đáp án A
To catch fish: bắt cá
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
The sentence 1, 2, 3, 4 in the following paragraph are in the wrong order. Choose the correct order to make a good paragraph.
(1) Therefore, anyone who wants to drive must carry a driver’s license. (2) It’s divided into four steps: studying the traffic laws, taking the written test, learning to drive and taking the driving test. (3) Getting a driver’s license is a complicated process. (4) Driving a car is a necessity in today’s busy society, and it is also a special privilege.
Câu 2:
Câu 3:
Mark the letter A, B, C, D on your answer sheet to indicate the word that differs from the rest in the position of the main stress.
Câu 4:
Mr. Gerstein was particularly taken aback to hear that sleeping problems are often linked to physical problems.
Câu 5:
“Would you mind turning down the TV? I’m working!”
“__________________________.”
Câu 7:
If no specific measures are taken, what is occurring to the Earth will cause all species including human race to vanish.
về câu hỏi!