Food is colorful. Some food is green, some food is red, and some is black. Now more and more people like to have black food--black rice, black beans, black grapes. Why do they like black food? Some people say,
*Black food can make grey. (灰色的)hair into black hair.
*Black food is good for the heart(心脏)
*Black food can help children(孩子)become clever.
Black food is very good, but we need food with different colors. Doctors say that it isn't good to be choosy about food. So we need to eat al1 kinds(种类)of food.
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（1）
Now more and more people like to eat ______.
A . rice
B . black food
C . red food
D . green food
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（2）
_____ is good for our health.
A . Food with different colors
B . Green food
C . Red food
D . Black food
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（3）
Some people say that a six-year-old girl often has black food, she can become ______.
A . young
B . old
C . tall
D . clever
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（4）
The underlined word "choosy" means (意思是) ______ in Chinese.
A . 浪费的.
B . 无色的
C . 挑剔的
D . 优秀的
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（5）
What's the main idea of the passage(文章主旨)?
A . We must eat colorful food.
B . We must eat black food.
C . Black food is good for the heart.
D . We need to have all kinds of food.
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