二．基础自学
根据括号内所给的汉语意思完成句子。
1. Only a few people (幸存)in that terrible accident.
2. When we go abroad, we have to (兑换)Renminbi for foreign currencies.
3. When I climbed up the Great Wall, I found a great many foreign (游客).
4. For further details, please (联系) the local office.
