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: As tourism is more developed, people worry about the damage to the flora and fauna of the island.

A. fruits and vegetables

B. flowers and trees

C. plants and animals

D. mountains and forest

Câu 2: Reaching 35 and obviously aging, Jane has to make up her mind on her future very soon.

A. give a thought about

B. pay attention to

C. prepare a plan for

D. make a decision on

Câu 3: Although we argued with him for a long time, he stood his ground.

A. felt sorry for us

B. changed his decision

C. wanted to continue

D. refused to change his decision

Câu 4: Mobile libraries brings books to children in many small communities. These libraries travel from towns to towns in cars, vans, or trucks.

A. Moving from place to place

B. Changing shape or expression easily and frequently

C. Being bent easily and quickly

D. Staying in one place

Câu 5: You never really know where you are with her as she just blows hot and cold.

A. keeps going

B. keeps taking things

C. keeps changing her mood

D. keeps testing

Câu 6: People are busy buying gifts, cleaning and decorating the house and cooking traditional foods to welcome Tet holiday now.

A. favorite

B. important

C. customary

D. national