问题
填空题
2012年6月2日,在国际田联钻石联赛尤金站的比赛中,刘翔以12.87s的成绩夺得男子110m栏冠军.起跑时,他用脚向后蹬地,就能迅速前冲,这说明物体间力的作用是 的。到达终点时,由于 ,他不能立刻停下。
答案
相互;惯性
2012年6月2日,在国际田联钻石联赛尤金站的比赛中,刘翔以12.87s的成绩夺得男子110m栏冠军.起跑时,他用脚向后蹬地,就能迅速前冲,这说明物体间力的作用是 的。到达终点时,由于 ,他不能立刻停下。
相互;惯性
完形填空。 | ||||
These days, computer games are becoming more and more popular in many cities and towns. A lot of small shops along busy 1 have changed into 2 game houses in order to get more money. These places are always crowded with 3 especially young boys. In the computer game houses, people 4 a lot of money playing games on machines. It's 5 for one to win a computer game, but one can make progress after 6 again and again. People have a kind of gambling psychology (赌博心理) when they play computer games. The more they 7 , the more they want to win. For school boys, they don't care about their lessons. When class is over, they run to the nearby computer game house. Some of them can get enough money 8 their parents. But some of them are not 9 enough to get the money. They begin to take other students' money and 10 thieves. | ||||
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