题目

防治荒漠化行之有效的方法是   A.恢复自然植被                 B.普及防治荒漠化知识   C.集资防治                     D.设置大沙坝固沙 答案：A 解析: 略连一连。1. Hi! Where are you from? a. Welcome.2. Nice to see you again. b. OK!3. Let's play a game! c. I'm from the UK.4. Can you read this? d. Nice to see you, too.5. I'm Mike. I'm from Canada. e. Sure!