磁共振成像系统包括

my little sister is s_______today so i have to look after her at home填什么这里应该填S的什么单词, your class project是什么意思 I have to look after my sister at home.这句话有语法错误吗? 同义句:I have to take care of my mother at home today.I have to_ _ my mother at home today only when i sleep 中文意思? 求only when i sleep 小提琴部分 你们 知道 信息与计算科学系 是学什么的吗? 我是学信息与计算科学的 以后想从事人事行政方面的工作,请问我应该准备些什么呢? class文件是什么意思 用英语回答问题：Do you have any pets in your house? 注意：用英语回答,如：yes,I do class什么意思 have you got a ticket?yes,i've got _A.it B.the one C.one D.the ones选哪一个?为什么? "class"是什么意思? _____ you washed your hands yet? Yes,I _____. A.Have,have B. Do,do C.Are,am ------Did you have anyone ____ your car?------Yes,I have had the car ____.A,to fix,fixB,to fix,fixedc,fix,fixed 2020年会发生什么事情?（地球）全人类! 从地球这边跳到地球那边,会发生什么事情?最近老想一个问题就是“我们人如果在我们现在所站的地方,竖直挖一个洞一直挖到地球的那一边（当然排除一切外部因素）,然后,我们从这个洞的 地球旋转速度变慢会发生什么事情 For most of the earth's history they have been the only form of life on our planet.为什么用for ,什么用法 have a class meeting have you tidy to your room 连词成句 have a class party Tom,you have to keep your room tidy____.A.tiding B.to tidy C.tidyD.tidied i have a class否定句是什么啊?突然想不起来了?应该是什么啊?是haven't还是don't have啊? don;t you like to have your room _clean and tidyA.to look B.looked C.looking D.look Edward,you have grown up.You should learn to make your own room( )a.empty b.noisy c.dirty d.tidykuai Don't you like to have your room (look)clean and tidy?中为什么不用looked?不是应该是have...done吗? 英语翻译Man is the only animal that laughs and weeps,for he is the only animal that is struck with the difference between what things are and what they might have been. (A Man;B The man) is the only animal that can speak为什么选A 英语翻译"Look at a man the way that he is,he only becomes worse.But look at him as if he were what he could be,and then he becomes what he should be." 有什么事可以让地球停转 man is the only animal that ______, or needs to. 用blushes, 请问为何flushes 不可以?