The word “they” in the passage refers to _____.
Giải bởi Vietjack
Đáp án C
Từ “they” trong đoạn chỉ _____.
A. các hạng mục, phân loại
B. các màng lọc
C. phân tử đất sét
D. các phân tử lớn hơn
“Since clays settle so slowly, they are easily segregated from sand and silt.”
(Do đất sét lắng xuống rất chậm, chúng có thể được tách biệt dễ dàng khỏi cát và bùn.)
Dễ thấy they là thay thế cho clays (clays particles).
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 ______ .
The garbage dumps in some areas have relatively little glass and plastic because_____.
The author mentions “several representative handfuls” in the passage in order to show ______.
The author mentions all of the following as concerns of telecommuters EXCEPT_____.
The word “laundry” in paragraph 2 is closest in meaning to ___________.
For several centuries after the disintegration of the Roman Empire, the main source of water supply was from ______.
