地球上的生物进行生命活动都要消耗____，它们当中的绝大部分来源于分解_

发布时间：2017-06-18 17:12 │ 来源：www.tikuol.com

题型：填空题

地球上的生物进行生命活动都要消耗______，它们当中的绝大部分来源于分解______的过程．这些物质分子都是绿色植物通过光合作用制造的，同时，光合作用还吸收______放出______气，这是调节大气环境中这两种气体成分平衡的重要途径．

完形填空。
Marc sat next to me when we were in Hill Junior School. He had a serious 1 in communicating with people. One always had to guess what he was saying. 2 ，most of my classmates did not like to be with him because his hands and shirts were always. 3 I tried to let him know the importance of being clean by 4 him several times a day to wash his hands. But he just could not understand. One day , our teacher Miss West walked up to Marc. 5 saying anything, she took Marc to the washroom. Slowly , Miss West washed his 6 and told him that he should keep himself clean. She did that every day for one month. 7 ,Marc understood. Miss West's love has given me a .good example to follow when I 8 my job. I always remember to teach my students by showing them the right 9 to do things. And most important of all, I always remember to give them 10 to leam and to grow up.
( )1. A. question ( )2. A. Instead ( )3. A. dirty ( )4. A. talking ( )5. A. With ( )6. A. face ( )7. A. At last ( )8. A. did ( )9. A. ways ( )10.A. more advice	B. problem B. However B. clean B. saying B. Without B. feet B. At first B. am doing B. answers B. less advice	C. accident C. Besides C. new C. speaking C. After C. shirts C. Such as C. have done C. time C. more time	D. hobby D. Except D. old D. telling D. Above D. hands D. So far D. am going to do D. food D. less time