问题
单项选择题
维生素A在婴幼儿生长发育中的作用不包括（）。
A.促进机体生长
B.促进肠道对钙、磷的吸收
C.促进骨骼发育
D.促进生殖、视觉发育
E.提高抗感染能力
答案
参考答案：B
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维生素A在婴幼儿生长发育中的作用不包括（）。
A.促进机体生长
B.促进肠道对钙、磷的吸收
C.促进骨骼发育
D.促进生殖、视觉发育
E.提高抗感染能力
参考答案：B
People eat different things in different parts of the world. In some countries, people eat 36 every day. Sometimes they eat it two or 37 times a day, for breakfast, lunch and supper. They can 38 it, fry it or make it into rice flour（面粉）. They usually eat it 39 meat, fish and vegetables. Some people do not eat some kind of 40 . Muslims, for example, do not eat pork. The 41 eat a lot of fish. Japan is an is  land and its 42 go all over the Pacific looking for fish to 43 . The Japanese sometimes eat uncooked fish, and they also eat a lot of rice. In 44 such as Britain and the United States of America, the most im  portant food is 45 or potatoes. People there usually make their bread from wheat flour. They 46 potatoes in different ways. They can boil them and fry them.In Africa, corn is the most important 47 like rice and wheat. Corn is a kind of cereal（谷类食物）. African people make the corn 48 flour. From the fl  our they make 49 kinds of bread and cakes. Many Africans are very 50 and so they can’t afford to eat much 5 1 with their cereal. Cereal and meat are very important, but we also 52 plenty of vegetables and lots of fresh fruit. Some people 53 only fruit and vegetables. They do not eat mea  t or fish or 54 that comes from animals. They eat only food from 55 . Some people say that food f rom plants is better for us than meat.
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