接受原假设犯第几类错

DO more exercise and breathe more fresh air,which is beneficial to us.这句话对吗?如果把逗号去掉连成一句话要怎么改? 林大爷用39分钟阅读了一张29500字的报纸,平均每分钟读（）字,4分钟读了这张报纸的（）分之（）,约为（）% 他用三十分钟读了一张29500字的报纸,平均每分约读（）字,四分钟读了这张报纸的几分之几,也就是（）%. 用30分钟读一张29500字的报纸,平均每分钟读（）字,四分钟读了这份报纸的几分之几,也就是百分之几? 在直角三角形ABC中,∠ABC=90°,CD是AB边上中线,若CD=5cm,则AB=（ ）,三角形ABC的面积是（ ）. 林大爷用30分钟阅读了一张27500字的报纸,平均每分钟大约读（）字,四分钟读了这张报纸的（）／（）, No,there's( )on the blackboard very small 等于什么.一个单词. 填入单词 1 A very small town ia a country area ( ) mary worked in a small town.she was a very beautiful...谁有这篇短文啊~ Martin luther king was a h_____ in the U.S.A.单词拼写``急. what kind of personality do you like?why?写一篇100字左右的小作文谢谢了 他是一个诚实的人,这是已被证实了的.英语怎么说?要用到其中一个① It has been proved that……②prove+（to be)+n/adj. so the air here is very c.c后面填什么 我十分奇怪,谁给拉丁文发明了字母w.除了谷歌在线翻译,谁会给拉丁文插上一个英文的“now”表示“此刻”? Just keep it and get your mouth closed the silence can hear,i know it can kill.foget you know,just get up and go是哪首歌里边的歌词?后边还唱i don't wanna know,and i don't wanna hear Once ___of oxygen ,the brain dies.a、depriving b、 deprived c、 to be deprived d、 having been deprived He is English.He is an English.He is an English man.三句是否可互划等号?这三句中是否有存在语法错 The more learned a man is,the more modest he usually is.这句话用了什么语法The more books we read,the more learned we become.这句话对吗？ Qin Qin's mother often buys stamps for her and helps her with it.变成同义句 All you can eat Rest stop 为什么没有介词? 英语翻译是：所有你能吃得东西 还是：所有很能吃的人 all you can eat date 是什么意思 求高手解释 别用翻译解释哦 那都是错的 All you can eat All the fruit is free.You can eat_____.A.as many as possibleB.as much as possibleC.as many as possiblyD.as much as possibly Which one of the ________puzzles do you want,the large ong or the small one? The shirt is _ in small,medium and large size.A.original B.visible C.delicate D.available the pajamas are.large.you wear size small.you can tell the shop assistant:_____________________ it has proved or it has been provedWhich one is correct?(1) or (2)1)Preventative medicine has proved to be the most effective way of reducing the incidence of fatal childhood diseases.2)Preventative medicine has been proved to be the most effective w With the same regularity,however,it has also been determined that .With the same regularity,however,it has also been determined that neither the thermal conductivity nor the ease of handling are conducive to widespread use.求翻译 "Can`t you finish it by yourself?"The teacher said( )to the copied homework.A.to leave B.leftC.leave D.was preparing