Which of the following statement is true about desertification?
Giải bởi Vietjack
Đáp án A
It has a history as long as that of civilization.
Thông tin nằm ở đoạn 1: “Since the first great urban-agricultural centers in Mesopotamia nearly 6,000 years ago, human activity has had a destructive impact on soil quality, leading to gradual desertification in virtually every area of the world.”
Silent reading, especially in public places, flourished mainly because of ___.
Paragraph 4 of the passage serves mainly to do which of the following?
It can be inferred that the emergence of the mass media and specialised reading materials was an indication of ___.
Why did the author wait until the last line to reveal the identity of the man in the photograph?
According to the passage, many people’s understanding of desertification is incorrect because _____.
According to the passage, agriculture furthers desertification through which of the following activities
The word “degradation” in paragraph 4 is closet in meaning to _____.
Large amounts of gases may be released from the Sun at the end of its life as a .
