Câu hỏi: When preparing a diet, a person should be aware that vitamin D acts to increase the amount of calcium absorbed by the body.

A. schedule of exercise 

B. medicinal chart

C. study of longevity

D. nutritional plan

Câu 1: Nobody knows the origin of the Vietnamese long dress. There was no evidence about where and when it appeared.

A. evaluation

B. book

C. proof

D. symptom

Câu 2: Flight MH370 of Malaysia Airlines is reported to vanish on the way from Kuala Lumpur to Beijing.

A. land

B. control

C. cancel

D. disappear

Câu 3: How many countries took part in the last Olympic Games?

A. participated

B. performed

C. succeeded

D. hosted

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: It’s a really difficult matter to decide how to solve now. I will need time to think it twice.

A. to think it over

B. to make it better

C. to make up for it

D. to think out of time

Câu 6: If you do not understand the word "superstitious", look it up in the dictionary.

A. write it

B. note it

C. find its meaning

D. draw it