Câu hỏi: This_______disease caused a lot of complications during the treatment procedure.

A. situation

B. difficult

C. life-threatening

D. weak

Câu 1: The problem of_______ in big cities, which stems from uncontrolled migration from rural areas.

A. overpopulation

B. decrease

C. increase

D. growth

Câu 2: _______ 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 3: I_______ George on my way home.

A. dropped in on

B. gear up for

C. pair up with

D. look back on

Câu 4: Some______ animals become tame if they get used to people.

A. wild

B. domestic

C. endangered

D. rare

Câu 5: The society was set up to______ endangered species from extinction.

A. prevent

B. distinguish

C. preserve

D. survive

Câu 6: 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