The word “they” in paragraph 3 refers to
Giải bởi Vietjack
Đáp án A
(1) Protozoans are considered animals because, unlike pigmented plants to which some protozoans are otherwise almost identical, they (protozoans) do not live on simple organic compounds
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
The phrase “a specialised readership” in paragraph 4 mostly means “ ”.
Silent reading, especially in public places, flourished mainly because of ___.
When the Sun becomes a red giant, what will the atmosphere be like on the Earth?
Large amounts of gases may be released from the Sun at the end of its life as a .
