Unit 4 Astronomy- the science of the stars reading课时作业

　　第一节 阅读理解

　　阅读下列短文，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。

　　A

　　Scientists have learned a lot about the kinds of food people need. They say that there are several kinds of food that people should eat every day. They are:

　　(1) green and yellow vegetables of all kinds; (2) citrus(柑桔) fruits and tomatoes; (3) potatoes and other fruits and vegetables; (4) meat of all kinds, fish and eggs; (5) milk and foods made from milk; (6) bread or cereal(谷类), rice is also in this kind of food; (7) butter, or something like butter.

　　People in different countries and different places of the world eat different kinds of things. Foods are cooked and eaten in many different kinds of ways. People in different countries eat at different times of the day. In some places people eat once or twice a day; in other countries people eat three or four times a day. Scientists say that none of the differences is really important. It doesn't matter whether foods are eaten raw(生的) or cooked, canned or frozen. It doesn't matter if a person eats dinner at 4 o'clock in the afternoon or at eleven o'clock at night. The important thing is what you eat every day.

　　There are two problems, then, in feeding the large number of people on earth. The first is to find some ways to feed the world's population so that no one is hungry. The second is to make sure that people everywhere have the right kinds of food to make them grow to be strong and healthy.

　　文章第一段叙述人们每天必需的七类食品；第二段说明了最重要的是吃的是什么；最后一段介绍了要解决的两个问题。

　　1. According to the scientists, which of the following groups of food is the healthiest for your lunch?

　　A. chicken, apples, cereal, cabbages

　　B. potatoes, carrots, rice, bread

　　C. oranges, bananas, fish, tomatoes

　　D. beef, pork, fish, milk

　　答案与解析：A　细节判断题。根据文章中科学家所提供的人们每天必需的七类食品，可知作中餐食品的 A 类最佳。

　　2. People in different countries and different places of the world ________.

　　A. has the right kinds of food to eat

　　B. cooks their food in the same way

　　C. has their meals at the same time

　　D. eat food in different ways

答案与解析：D　细节题。根据文章内容，不同的国家和地区，人们进食