The word “they” in paragraph 2 refers to _______.
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Đáp án B
Từ “they” trong đoạn 2 đề cập đến _________.
A. môi trường
B. hệ sinh thái
C. dịch vụ
D. sáng kiến
=> Từ “they” ở đây dùng để thay thế cho danh từ hệ sinh thái được nhắc tới trước đó.
Central to the functioning of most ‘normal’ city ecosystems is the underlying data they run on.
(Trọng tâm chức năng của hầu hết các hệ sinh thái thành phố bình thường là dữ liệu cơ bản mà chúng sử dụng để hoạt động.)
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The word “harness” in the first paragraph is closest in meaning to _______.
According to the writer of the passage, people should right now ______
In the future, maybe all cars that run on petrol will be replaced by solar cars, which have been around for a while, but with recent (1)__________ in solar car design and the measurement of photovoltaic cells becoming smaller, the dream of a truly efficient solar car is more reality than fantasy.
The phrase “hide our heads in the sand” in the passage probably means ______.
The word “obsolete” in the first paragraph is closet in meaning to ______.
According to paragraph 2, how can the attitude of the future affect the world?
A solar car is a vehicle (2)__________ by photovoltaic cells, also called solar cells, which convert sunlight (light energy) into electrical energy.
Which of the following information is TRUE according to the fourth paragraph?
According to paragraph 1, which statement is correct about the current situation for smart cities?
The author described the reduction in number of languages in paragraph 4 as an evidence of ___________.
The word "molding" in paragraph 4 can be best replaced by ______.
