已知一高速运动的粒子其静能为938Mev，其速度为0.8C，求该粒子的总能量和动能。

yet的用法,出用在现在完成时中可否如下那样放在句首,为何?yet前后是否要加逗号?例：The sweat ran down his face and his eyes were glassy from his fever.[Yet] he looked straight ahead and kept running. 寓言是啥 塞翁失马这则寓言寓意是什么? 信用证loading on board/dispatch/taking in charge什么意思 下课要交上去的作业!求翻译!1．他的英雄事迹令我们在场每个人钦佩 2怎样去评价一个学生的成绩.3他的父母听到他的儿子进步了.4他是故意把那个花瓶砸碎的.5 许多职业女性遭受到了很多的 英语达人帮帮忙, 求英语达人告诉我答案以及为什么选这个答案.要详细一点.Before the first non-stop flight was made in 1949,it_____necessary for all planes to land for refueling.A.would be B.has been.C.had been D.would have been 根据汉语提示完成句子,使句子完整、通顺.每空一词1.当你的朋友有困难时,你应该帮助他.When you friend is ___________ ___________,you should help her.2.这家公司制作的一系列的广告造就了这个新产品在 把下面的句子补充完整,注意加点词语,要保持全句通顺.1.星期天我不是(不是二字加点)在家温习功课,__________________.2.之所以(之所以加点)人们都来这儿购物,______________________. I have a lot of a dream,each dream have you! I know you have forgotten! i have the same dream as you还是i have the same dream with you .as with 的用法有什么区别 歌词大概是so i have blackson dream my life ,and know the love have to care.to you open.tomorrow 逗号的用法 fee于charge的异同 charge,price,fee的区别?在实际中,这三个词有什么区别,用在什么情况下?给个例句.不要COPY其他人的答案, bill charge fee等表示费用的词的区别 charge,fee这两个词有什么区别? Of course,they can run very fast.Do you know the answer? do you know the answer of the riddle? Do you know the answer of this question?(改错~）谁会````? 清城区2011—2012学年第一学期期末检测 200分、速度求明天要考试了、 in charge与in charge of区别 根据句意及汉语提示填写单词,使句子完整、通顺.10'16.\x05People can cook it in many different ways.(改为一般疑问句)\x05_____ people _____ it in many different ways?17.There were three women doctors on the bus.(对划线部分 根据句意及汉语提示填写单词1._______ （每个人）is so excited after they know the news.2.The woman has a bad stomachache.She is very _______ （虚弱的）now.3.—I have a cold and a headache.4.It's _______ （重要的）to get up 根据句意及首字母提示填写单词,使句子完整、通顺.Remember to take your rubbish a( ) when you leave You m() keep quiet when you study in the libraryOut () to Germany is very funny We stayed there for two weeksIt's raining heavily.th 根据句意及汉语提示写单词.1.I have learned English for ____(几乎) 10 years and I'm very good at it.2.____(幸运地),he wasn't badly hurt.3.Eight ____(点) nine means 8.9.4.Mr Brown is over 90 years old,but he is still in good ____（健 stand by your friends when they need you翻译 豆腐的英语单词是什么? there are some bread and water.此句有何错误? _____ so busy,she should come to help us.A.Were she not B.Was she C.If she is not D.Not were she The situation was getting from bad to worse,so she began to ask _____ she returned to help.A who B that C them D.those which one?why