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 paragraph 2, how can the attitude of the future affect the world?
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.
According to paragraph 1, which statement is correct about the current situation for smart cities?
Many cars can already park themselves on the roadside, brake automatically when the car needs to slow down, and warn the driver (2) __________ they are slipping out of the right lane, so going driverless is just the next step towards automated driving.
Which of the following information is TRUE according to the fourth paragraph?
Remote, robot-mediated surgery has been mentioned in paragraph 6 as an example of _____.
A solar car is a vehicle (2)__________ by photovoltaic cells, also called solar cells, which convert sunlight (light energy) into electrical energy.
