It’s a great pity that in many places__________.
Đáp án C
Thật đáng tiếc khi ở nhiều nơi __________ .Land becomes desert after all trees are cut down because _________.
The underlined word “prevailing” in the second paragraph is closet in meaning to _______.
The passage mentions that the tropics differ from the Earth’s polar regions on which of the following ways?
The underlined word “it” in the first paragraph refers to _______________.
The phrase "balance of nature” in the first paragraph means ____.
According to the passage, most ocean water evaporation occurs especially __________.
The word “fault” in paragraph 1 is closest in meaning to _______.