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

A. accident

B. fullness

C. mass

D. crowd

Câu 1: 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 2: A water polo team _____________ seven players, six swimmers and a goalie.

A. includes of

B. composes

C. consists of

D. makes up

Câu 3: It is important to raise the people’s _________ of environmental conservation.

A. know

B. awareness

C. knowledge

D. cognition

Câu 4: He lost his _________ on hearing the new.

A. involvement

B. enlightenment

C. temper

D. nonsense

Câu 5: For environmental safety, we need to find ways to reduce emission of fumes and smoke of factories.

A. leak

B. release

C. poison

D. pollutant

Câu 6: WHO _________ for World Health Organization.

A. sits

B. lies

C. stands

D. leans