1. According to experts from a Boston children’s hospital, ______.
- A
A. some kids don’t like food with vitamin D
- B
B. vitamin D is more important to kids
- C
C. some kids do not have enough vitamin D
- D
D. some kids lack vitamin C as well as vitamin D
2. To get enough vitamin D, ______.
- A
A. what people need is to eat proper food
- B
B. people should have enough sunshine together with proper food
- C
C. people must expose themselves under sunshine
- D
D. people have to make their bones strong
3. Kids ______ often tend to have low vitamin D level.
- A
A. who spend more time outside in the sunlight
- B
B. who like to stay at home in winter
- C
C. who are not particular about food
- D
D. who do not have enough nutrient
4. Among the following four types of people, ______ are easier to produce vitamin D.
- A
A. white people
- B
B. brown people
- C
C. yellow people
- D
D. black people
5. Low level of vitamin D can make us _____.
- A
A. lose weight
- B
B. get cancer more easily
- C
C. not healthy enough
- D
D. get a special eating habit