Câu hỏi: _______ 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 1: All the _______had excellent academic credentials.

A. candidates

B. goverments

C. followers

D. desigers

Câu 2: Installing is firewall is one method of trying to protect against_______.

A. hackers

B. thiefs

C. robbers

D. crooks

Câu 3: He had a new heart valve _______.

A. added

B. supplanted

C. improved

D. implanted

Câu 4: We kept in _______for a while after college.

A. touch

B. pay

C. well

D. chose

Câu 5: Some______ animals become tame if they get used to people.

A. wild

B. domestic

C. endangered

D. rare

Câu 6: I_______ George on my way home.

A. dropped in on

B. gear up for

C. pair up with

D. look back on