根据句子及所给单词的首字母，按题号写出各单词的正确形式。（每空限写一词）
小题1:He stated his view that developing car industry in such a rapid speed is not b___________ in the long run.
小题2:I’m longing for being a____________ to the Miro Exhibition, as I don’t know the way well.
小题3:It is said that Mozart possessed a remarkable t___________ for music.
小题4:Small as the hotel is, it provides an a____________ supply of hot water 24 hours a day to meet your need.
小题5:Defeated, they still feel c_______ with the result of the competition, for they have spared no effort to make preparations.
小题6:As winter is a________, the weather is getting colder.
小题7:Wang Pengwei felt frustrated that a lot of r________ customers went to a newly-opened small restaurant.
小题8:In order to satisfy my daughter’s c________, I have to refer to the Encyclopedia(百科全书).
小题9:The homeless child w______ on the street is in the hope of finding something to eat.
小题10:We need to take m_____ at once to prevent the growth of the population in China.
，B的质量
，B球用长
的轻质细绳吊起，当细绳位于竖直位置，B球处于静止状态时，B球恰好与弧形轨道MN的末端接触但无作用力，已知弧形轨道的内表面光滑，且末端切线水平，现使A球从距轨道末端
的高处由静止释放，当A球运动到轨道末端时与B球发生完全弹性碰撞。若
取
，求：