System for purification of water is called__________.
Đáp án C
Đáp án C. Danh từ ghép: a water purification system: hệ thống lọc nước sạch.
Broasides could be published with little risk to colonial printers because they ________.
The phrase “For starters” in paragraph 2 could best be replaced by “______”.
Why does the author mention Joseph Pulitzer and William Randolph Hearst?
All of the following are mentioned as places in which memories are stored EXCEPT the ________.
The word “cues” in paragraph 4 is closest in meaning to ________.
The word “elaborate” in paragraph 3 is closest in meaning to ________.
The word “exceed” in paragraph 3 is closest in meaning to ______.
The idea “little is known about the evenness of butterfly distribution” in paragraph 5 is that ______.