Because the voice-activation system on smart cars is not a very good method of controlling technology, automakers have developed a system to replace it.

A. Monitoring patients in surgery.
B. Assisting in patient diagnosis (诊断).
C. Decreasing the gap between doctor and patient.
D. Both A and B.

A. It was pretty good.
B. It was not well organized.
C. It was rather dull.
D. It was attended by many people.

A. Calculators.
B. Microwaves.
Computers.
D. Electroscopes (doctor’s instrument).