Câu hỏi: The factory was fined for______ chemicals into the river.

A. dumping

B. discharging

C. producing

D. exposing

Câu 1: _______ does not exist yet, but scientists are working hard to create computers that can think like human beings.

A. Advancement

B. Destruction

C. Intervention

D. Artificial intelligence

Câu 2: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive

Câu 3: Intelligent ___________ are widely used in many fields such as heavy industries, hospital medicine business, and the military.

A. machines

B. service

C. advisement

D. computers

Câu 4: We all regard pollution as a.......... matter to human beings.

A. solemn 

B. great

C. serious 

D. huge

Câu 5: Do you know the country which you has the hightest life_______ in the world?

A. expectancy

B. objective

C. desire

D. ambition

Câu 6: The waste water from bath, showers, sinks and_______, and rainwater can be collected in a tank.

A. linguistic

B. official

C. dishwasher

D. operate