题目

People in different countries have quite different eating habits. People always think their own food is delicious while others’ is strange or terrible. In most parts of Asia, for example, no meal is complete (完整的) without rice. In England, people eat potatoes every day. In the Middle East, people enjoy bread for every meal. Americans like to drink orange juice and coffee. The English drink tea four or five times every day. Australians drink lots of beer, and the French drink wine every day.The kinds of meat people like to eat are also different from one country to another. Horse meat i用毛皮摩擦过的橡胶棒去靠近甲和乙两个轻小物体，结果与甲相排斥、跟乙相吸引．于是可以判定A.甲带正电，乙带负电B.甲带负电，乙带正电C.甲带负电，乙不带电或带正电D.甲带正电，乙不带电或带负电