The word “elevated” in paragraph 3 can be replaced by ______.
Đáp án D
Từ “elevated” trong đoạn 3 có thể được thay thế bằng ________.
A. giáng chức
B. kiểm soát
C. làm cho nghiêm túc
D. nâng cấp
Từ đồng nghĩa elevated (nâng lên) = upgrade
In this way, operations and services are elevated through the integration and connection of physical devices via IoT networks, ultimately transforming how a city runs.
(Theo cách này, các hoạt động và dịch vụ được nâng lên thông qua việc tích hợp và kết nối các thiết bị vật lý thông qua mạng IoT, cuối cùng biến đổi cách một thành phố vận hành.)
According to paragraph 2, what is the matter that the author want to emphasise?
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?
Being stuck in traffic jams could become a thing of the past, as driverless cars will be able to drive at speed (4) ___________ to each other.
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.
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 the writer of the passage, people should right now ______