题目

A car needs gas to run and your body also needs food to work for you. Eating the right kind of food is very important. It can help your body grow strong to take care of what you eat.    There are four main food groups altogether. The dairy group has food like milk, cheese and sour milk. The other three groups are the meat and fish group, the fruit and vegetable group, and the bread and rice group. Each meal should have at least one food from all four main groups. With all these food together, you will be given enough energy during the day.    It is easy to get into bad eating habits. You m下列腺体不属于内分泌腺的是（ ）A．垂体 B．肝脏C．胰岛 D．甲状腺