二级建造师往年真题 英语二级往年真题.doc

二级建造师往年真题 英语二级往年真题 导读：就爱阅读网友为您分享以下“英语二级往年真题”的资讯，希望对您有所帮助，感谢您对92的支持! Lions and tigers have long, sharp teeth for tearing apart other animals. Those of horses and cows are short and flat. They are used for grinding plants. People have three main kinds of teeth. They have teeth that cut, teeth that tear, and teeth that grind. When biting into a piece of fruit, people use their cutting teeth. When pulling a piece of meat from a bone, they use their tearing teeth. When nibbling on a fresh carrot胡萝卜, they use their grinding teeth. Every person grows two sets of teeth. The first set often begins to appear when a baby is about six months old. It lasts until the child is about six years old. Then the baby teeth fall out and the second teeth come in. This second set must last for the rest of a person?s life. It is important for people to take care of their teeth. They must eat the right foods. They should brush their teeth properly. Teeth should be checked twice a year by a dentist . 231.Fish have many __B__teeth for getting food. A. noticeable B. sharp C. fine D. invisibl