Câu hỏi: Synthetic products are made from chemicals or artificial substances.

A. natural

B. made by machine

C. man-made 

D. unusual

Câu 1: Paid employment has doubtedly brought economic and social gains to many women.

A. independently

B. hardly

C. freely

D. certainly

Câu 2: Doctors have been criticized for their indiscriminate use of antibiotics.

A. disciplined

B. selective

C. wholesale

D. unconscious

Câu 3: About 95% of all animals are invertebrates which can live anywhere, but most, like the dtarfish and crab, live in the ocean.

A. with backbones

B. with ribs

C. without ribs

D. without backbones

Câu 4: Strongly advocating health foods, Jane doesn’t eat any chocolate.

A. supporting

B. doubt

C. advising

D. denying

Câu 5: Affluent families find it easier to support their children financially.

A. Wealthy

B. Well-off 

C. Privileged

D. Impoverished

Câu 6: He had never experienced such discourtesy towards the president as it occurred at the annual meeting in May.

A. politeness

B. rudeness

C. measurement

D. encouragement