Clean water supply was first taken into consideration by ______.
Đáp án D
Việc cung cấp nước sạch lần đầu tiên được đưa ra cân nhắc bởi:
A. Người Ai Cập
B. Người Mĩ
C. Người Anh
D. Người La Mã cổ
Dẫn chứng ở câu thứ 6 đoạn 1: “The first people to consider the sanitation of their water supply were the ancient Romans” – ( Người đầu tiên cân nhắc tới việc đảm bảo vệ sinh cho việc cung cấp nước chính là những người La Mã cổ)
It can be inferred from the passage that a soil sample with little or no clay in it ________.
The garbage dumps in some areas have relatively little glass and plastic because_____.
The author states that “There are no right or wrong answers” in paragraph 2 in order to ______ .
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 ______.