变速圆周运动的加速度方向

His whole book suggests that it has,and that in doing so it has become(he says at the end)这里的in doing能不能换成in possess 藕在水泥池里能生长吗?没有泥土的情况下. 用can,must,musn't,have to,has to填空Do you understand all these road-sighs?Look at the traffic lights.They are red.You _________ stop your car.Now,they are green,you ________ move on.There is a sign with "NO PARKING".You _________ leave your car t 用can,can't,must或have to 填空 用can,can't,could,may,must,have to填空. The later I sleep,The later I will go to work tomorrow.“正确吗?”The later I sleep,The later I will go to work tomorrow.我越晚睡,明天越晚去工作.应该是错误的,不过我的目的是弄懂这语法,请更正我的翻译以及对语 edge-on是什么意思呢?词性是什么? on是什么词性 莲藕长在什么地方 crash 和smash有什么明显的区别吗?谢谢! smash,crash,break 具体区别? crash 和smash的区别?A gust of wind swept the bed off the roof and sent it ______ into the countyard below.a.crashb.smash两个词的区别?谢咯 Those homeless children _____.A nend to help B need doing help哪位给说说这题选嘛 Please help those ______(陷入困境的人).分析下原因 请问SPSS方差分析时方差不齐怎么处理?用的Post Hoc和EXPLORE 可以处理吗?怎么弄?答的好加分.有说SPSS的EXPLORE 可以进行数据转换从而处理,而post Hoc 则用方差不齐假设处理.请问具体上是怎么操作 spss 中Friedman test 中是否有post-hot test?文献中看到别人用Friedman test ,但又有post-hot test,文献中为（A：p 告诉了一个非金属元素,怎么写出它的最高价氧化物的水化物?有什么诀窍? 求bad boy 的中文歌词英文歌词如下：Remember the feelings remember the day My stone heart was breaking My love ran away This moment I knew I would be someone else My love turned around and I felt Be my bad boy be my man Be my week-end love 为什么要做bad boy20几岁正在上大学的男生,很叛逆,我是说在感情方面,见一个爱一个,会去酒吧找一夜情,把自己当作play boy ,有个单纯的女生喜欢上了他,她对他很好,可是时间过了不久,他要离开 He h_____ the Chinese men's basketball team place second at the Asian Games in October,2002.急～在线等这是一篇写姚明的文章！！！ This swbject ______(sound) fun By hearing the news,I was very much pleased.(改错） the news was later____(证实)by the government 根据首字母和句意填空.He was much a ___ by the sad news. Peace,No War War is not the answer ,for only love can conquer hate We are all right,Only is the time is not right这句话的中文是什么? crash 与 clash有何联系与区别? note什么意思 说就好最好全一点！ consignment 1.Peter is_____(ride) his bicycle.2.The pond is too quiet.The tortoise is_____(happy). 填空1.He wants__buy some fruit.2.Look,Peter is jumping__the pond.填空：This is a picture of Tom's family.Mr.Green is in the garden.He's playing__with his son.He ean flay fooball,too.Mrs.Green doesn't like___ She is__fruits in the___now.Sue is To