气的根本属性是()。 A.上升 B.下降 C.外出 D.运动 E.静止 发布时间:2019-02-23 03:03 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 气的根本属性是()。A.上升B.下降C.外出D.运动E.静止
题型:单项选择题 A1/A2型题 完形填空。 I know my brother better than anyone else in the world. Since the moment of his birth, I've been part of his life. I had spent seven 1 years in the world with the attention of those around me. But when Rohan was born, life 2 Suddenly I had to 3 my toys and there were no more bedtime stories or my own choice of food. Finally, I felt my 4 at my brother. The poor baby had no idea what had made me so unhappy. Maybe he found me strange, the only person in this house 5 did not like him. Whatever the reason was, he loved 6 me around. However, I seldom talked to him and 7 asked him to leave me alone. Then all that changed. I hardly remember everything of that day six years ago, 8 I do remember that I was feeling very angry. Somehow my feet led me to my brother's bed. My hand, completely 9 from my mind, reached through the bars (护栏). At once, he reached his small hand and softly touched 10 And that was all I needed. Through all the unhappiness of the day, that one moment changed 11 How could I hate someone who made me feel so important? For the 12 time, I saw my brother, not through the eyes of a child who was no longer favored (宠爱), but through the eyes of a 13 To this day, I can't imagine life 14 my brother. It is unbelievable how much I have 15 about life from a seven-year-old boy. Above all, Rohan has taught me that one should not care only for himself. ( )1. A. happy ( )2. A. began ( )3. A. collect ( )4. A. fun ( )5. A. which ( )6. A. showing ( )7. A. always ( )8. A. but ( )9. A. far ( )10. A. one ( )11. A. nothing ( )12. A. first ( )13. A. student ( )14. A. except ( )15. A. cared B. hard B. continued B. choose B. anger B. where B. carrying B. already B. so B. sick B. both B. everything B. second B. parent B. besides B. learned C. lonely C. changed C. hide C. fear C. who C. meeting C. hardly C. or C. different C. mine C. something C. last C. teacher C. without C. talked D. busy D. saved D. share D. worry D. what D. following D. almost D. for D. free D. them D. anything D. next D. sister D. through D. heard 查看答案
题型:单项选择题 A1/A2型题 如图所示的实验装置为库仑扭秤.细银丝的下端悬挂一根绝缘棒,棒的一端是一个带电的金属小球A,另一端有一个不带电的球B,B与A所受的重力平衡,当把另一个带电的金属球C插入容器并使它靠近A时,A和C之间的作用力使悬丝扭转,通过悬丝扭转的角度可以比较力的大小,便可找到力F与距离r和电量q的关系.这一实验中用到了下列哪些方法( )A.微小量放大法B.极限法C.控制变量法D.逐差法 查看答案