Câu hỏi: Installing is firewall is one method of trying to protect against_______.

A. hackers

B. thiefs

C. robbers

D. crooks

Câu 1: In military, A.I. robots are used to _______ dangerous environments containing explosives or contaminated by nuclear weapons.

A. change

B. explore

C. fix

D. borrow

Câu 2: We kept in _______for a while after college.

A. touch

B. pay

C. well

D. chose

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: The factory was fined for______ chemicals into the river.

A. dumping

B. discharging

C. producing

D. exposing

Câu 5: Because of people’s______ with the environment, many kinds of plants and animals are becoming rare.

A. supply

B. survival

C. influence

D. interference

Câu 6: This_______disease caused a lot of complications during the treatment procedure.

A. situation

B. difficult

C. life-threatening

D. weak