新人教版九年级第十三单元精选练习题附答案 Unit 13 We’re trying to save the earth. 第一课时 Section A(1a～2d) 01 基础过关 Ⅰ. 根据句意及首字母提示填写单词。 1. We can clearly see fish swimming at the b________ of the river. 2. The girl seldom goes outside because of an u________ scar(伤疤) on her face. 3. We should use cloth bags instead of paper or p________ bags. 4. The villagers used to burn c________ to get warm. 5. Don't l________ waste things everywhere. Ⅱ. 用括号内所给单词的适当形式填空。 6. There is a ________(wood) table in the middle of the room. 7. There used to be many ________(fisherman) in the village. 8. I didn't buy the car because it ________(cost) too much. 9. Can you tell me the machine's ________(advantage)? 10. Her ________(act) tell us a lot about her purpose. Ⅲ.单项选择。 ( ) 11. (十堰中考)— Smart phones are more and more popular now. — So they are. But they still ________ too much. A. pay B. cost C. take D. spend ( ) 12. We should keep the windows________ in order to let the fresh air in. A. open B. opened C. close D. closed ( ) 13. A robot has lots of ________.It can help humans do hard and dangerous work. A. courage B. experiences C. advantages D. knowledge ( ) 14. — Let's go hiking ________ staying at home，shall we? — Good idea. A. as well as B. in order to C. instead of D. even though ( ) 15. Many kids laugh at Kim's looks and they think he is ________. A. clever B. ugly C. nice D. kind Ⅳ. 根据汉语意思完成句子，每空一词。 16. 这个房间里将有一个聚会，请在聚会后把房间打扫干净。 There will be a party in this room. Please ________ it ________ after the party. 17. 树对我们是有用的，当我们砍倒一些时，应该栽更多。 Trees are very useful to us. We should pla...
