Câu hỏi: Population growth rates vary among regions and even among countries within the same region.

A. restrain

B. stay unchanged

C. remain unstable

D. fluctuate

Câu 1: We are now a 24/7 society where shops and services must be available all hours.

A. an active society

B. an inactive society

C. a physical society

D. a working society

Câu 2: She wrote me a vicious letter.

A. helpful

B. gently

C. dangerous

D. healthy

Câu 3: The works of such men as the English philosophers John Locke and Thomas Hobbes helped pave the way for academic freedom in the modern sense.

A. terminate

B. prevent

C. initiate

D. lighten

Câu 4: Unless the two signatures are identical, the bank won’t honor the check.

A. similar

B. different

C. fake

D. genuine

Câu 5: ‘What I’ve got to say to you now is strictly off the record and most certainly not for publication,’ said the government official to the reporter.

A. already official

B. beside the point

C. not popular

D. not recorded

Câu 6: Her thoughtless comments made him very angry.

A. honest

B. kind

C. pleasant

D. thoughtful