Câu hỏi: Nylon is a man-made fibre, the use of which has helped more people to have cheaper and more colourful clothes to wear.

A. natural

B. plastic

C. synthetic

D. artificial

Câu 1: More and more specious animals ________ of environmental problems.

A. exit

B. survive

C. save

D. die

Câu 2: We have to suffer from traffic congestion and pollution every day.

A. accident

B. fullness

C. mass

D. crowd

Câu 3: That house-making is the job of women is a __________ thought.

A. deep-seated

B. including

C. legal

D. intellectual

Câu 4: The authority has made a lot of great efforts ________ endangered species.

A. to save

B. to kill

C. to do

D. to store

Câu 5: When did Vietnam _________ the association of Southeast Asian Nations?

A. eject

B. refuse

C. improve

D. join

Câu 6: Up to now, ASEAN has got ten _____________.

A. members

B. agents

C. states

D. enterprises