I. 根据下列各句句意及所给单词的首字母或汉语提示,写出各单词的正确形式。 1. Anything that drops falls towards the centre of the earth because of the pull of g______. 2. The company’s head office is in Beijing, but it has b______ all over the country. 3. In t______ it is possible; in practice it is not. 4. It is good to be ______ (好奇的) about the world around you. 5. The river is the ______ (边界线) between the two countries. II. 用括号内所给单词的适当形式填空。 1. The newspaper has a very good ______ (analyse) of the political situation. 2. The ______ (discover) of oil on their land made the people rapidly rich. 3. Johnson was considered the most ______ (promise) pop singer at that time. 4. He took all the things in the room and left by the back door to escape ______ (observe). 5. It sounds like a good idea, but there are some ______ (practice) difficulties. |