综合填空：

　　It is interesting to visit another country, but there are sometimes problems when we d　　1　　 know the language very well．It may be difficult to talk with the people there．We may not know h　　2　　 to use the telephone．We may not know how to do shopping．

　　In a foreign country we might not know w　　3　　 to eat or order in a restaurant．It is not easy to d　　4　　 to tip(付小费)waiters or taxi drivers．When we n　　5　　 help, we might not know how to ask for help．It is not pleasant to have an experience l　　6　　 that．A　　7　　 a short time, then we learn what to do a　　8　　 what to say．We learn to e　　9　　 life in another country, and we may be sorry to l　　10　　．

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。

　　Nogoba was a cavegirl．She lived in a cave with about 40 other people．Cavepeople lived in big groups to help each other．Their l　　1　　 were very dangerous．There were many w　　2　　

　　animals near the caves－lions, tigers, bears and elephants．

　　The cavemen hunted．They k　　3　　 the animals for food．The children's jobs were dangerous, too．Nogoba and her friends went to the river every day to get w　　4　　．Sometimes, the river was very deep．S　　5　　, there were animals near the river．

　　For many months of the y　　6　　, Nogoba was cold．There was ice and snow everywhere．It was difficult to be w　　7　　．The children sometimes went to sleep by the fire．Sometimes they were too n　　8　　 the fire．

　　Sometimes Nogoba and her friends went to f　　9　　 fruit and nuts to eat．Sometimes the fruit and nuts were poisonous and everyone became i　　10　　．There weren't any cave doctors or cave hospitals!