Câu hỏi: Hypertension is one of the most widespread and potential dangerous diseases.

A. colossal

B. popular

C. common

D. scattered

Câu 1: Helen Keller, blind and deaf from an early age, developed her sense of smell so finely that she could identify friends by their personal odors.

A. classify

B. recognize

C. describe

D. communicate with

Câu 2: I didn’t go to work this moring. I stayed at home because of the morning rain.

A. thanks to

B. on account of

C. in spite of

D. in addition to

Câu 3: The use of lasers in surgery has become relatively commonplace in recent years.

A. absolutely

B. relevantly

C. almost

D. comparatively

Câu 4: He was asked to account for his presence at the scene of crime.

A. complain

B. exchange

C. explain

D. arrange

Câu 5: The raccoon is a nocturnal animal.

A. harmless

B. night

C. marsupial

D. diurnal

Câu 6: Before the earthquake hit the area,many minor tremors were felt.

A. spasms

B. noises

C. vibrations

D. crumblings