如图所示表示了力的作用效果,其中图a主要表示力能改变物体的__________,图b主要表示力能改变物体的___________。
运动状态;形状
如图所示表示了力的作用效果,其中图a主要表示力能改变物体的__________,图b主要表示力能改变物体的___________。
运动状态;形状
完型填空 | |||
If you have ever been discouraged because of failure,please read on.For often,achieving what you | |||
( )1. A.look forward ( )2. A.wide ( )3. A.watch ( )4. A.whispered ( )5. A.expressing ( )6. A.unnecessary ( )7. A.silence ( )8. A.folded ( )9. A.volunteers ( )10. A.confidently ( )11. A.idea ( )12. A.make ( )13. A.decision ( )14. A.as a result ( )15. A.achieved ( )16. A.predicted ( )17. A.correspond to ( )18. A.but ( )19. A.searching ( )20. A.regards | B. set out B. deep B. discuss B. commented B. explaining B. impossible B. intention B. covered B. hunters B. curiously B. thought B. expect B. feeling B. in other words B. absorbed B. grasped B. head for B. so B. digging B. proves | C. set about C. large C. introduce C. lectured C. telling C. unbelievable C. recreation C. removed C. contributors C. immediately C. goal C. cause C. chance C. now and then C. controlled C. realized C. live up to C. and C. arranging C. occurs | D. give in D. shallow D. instruct D. volunteered D. arguing D. incorrect D. imagination D. deleted D. visitors D. strictly D. belief D. force D. direction D. all the way D. decided D. depended D. fall short of D. or D. discovering D. matters |