如何判断两矩阵相似

Let's watch the sports games,____ ____?【改为反意疑问句】 救急啊! I see some people walking () at the square.A happy B happily C loud Dslow Is John strong?a:yes,he is b:No he is sick c:yes,he looks healthy d:No,he isn't fit or strong Why is Jack I can see some girls( )on the square now.用playing完成句子 He has long hair 改否定句和一般疑问句 read the___to keep up with what's happening in the world答案是news 为什么report不行? It _________ it easy for us to know what is happening in the world.find take make feel Watching TV can keep you____to date___what is happening in the world.第一个空是up,第2个应该是on 还是with呢?区别在哪里? What is happening to the balloons? 翻译 :One day Jack comes to Mike is house and says, jack is outgoing and he has a large _c___of good friends. her hair is long同义句转换 He becomes a teacher when he grew up 这句话中becomes是谓语但是它是不及物动词a Her hair is as long as my hair.(对Her提问) He hopes he will become a teacher when he grows up 这句话对么? when he grew older.he_worked as a teacher.writeror reseacher选almost.nearly.mostly.only. He became a teacher when he was __.A on his twenties B in his twentiesC in his twenty D at his twenties选哪个, My mother always told my twin and me not to be late.When I grew up,I became at teacher.I arrivedMy mother always told my twin and me not to be late.When I grew up,I became at teacher.I arrived at schoold at 7:15.I can do my work better.If you learn g This boat is (nice)than that one.指填空 初次见面是不是要说Nice to meet you! Helen:Yes,I am.Nice to meet you,Linda.Linda:Nice to meet You,too.What's her name? A:Hello,Jack.B:Hello,Lucy.Who is that boy＿＿blue?A:＿＿name is Bill.B:＿＿ ＿＿is he?A:He is 12＿＿old.B:＿＿is his birthday?A:His birthday is November 11th. 需要一本古代建筑的画册（东西方都皆可）. 东西方古典建筑的异同点?(从材料、结构、造型、内部空间、文化等方面分析) 非洲和欧洲得分界线? 州界线及四大洋 ：大洲 亚洲,欧洲 亚洲,非洲 （ ） 代号 （ ） （ ） （ ） 分界线 （ -----山脉,乌拉州界线及四大洋 ：大洲 亚洲,欧洲 亚洲,非洲 （ ）代号 （ ） （ ） （ ）分界线 （ -----山 欧洲与非洲之间的界线 () 2 This pencil is___ than that one.A.longest B.long C.longer D.as long () 3 My mother is no() 2 This pencil is___ than that one.A.longest B.long C.longer D.as long() 3 My mother is no ___ young.A.shorter B.longer C.little D.few() 4 These children a This cloth is the same __as that one.A.long B.length C.longer D.longest.应该选哪一个,为什么? what‘s your name 和what’s you name的区别 You should follow your teacher's (s )when you do the exercises