The word "it" in paragraph refers to ________.
Đáp án A
Từ “nó” ở đoạn 1 ám chỉ ______.
A. tín hiệu
B. môi trường
C. chức năng
D. cách thức.
Câu chứa “it”: “The basic function of signal is to impinge upon the environment in such a way that it attracts attention”- (Chức năng cơ bản của tín hiệu là tác động vào môi trường theo cách mà nó thu hút sự chú ý).
Như vậy “it” chỉ có thể là thay thế cho “signal”
For several centuries after the disintegration of the Roman Empire, the main source of water supply was from ______.
The author mentions “several representative handfuls” in the passage in order to show ______.
Which of the following is NOT mentioned as a process of conversing seawater to freshwater?
The garbage dumps in some areas have relatively little glass and plastic because_____.
It can be inferred from the passage that a soil sample with little or no clay in it ________.
The author states that “There are no right or wrong answers” in paragraph 2 in order to ______ .