my favorite animalmy favorite animal is dog,it is friendly to people.it can help people do a lot of things.it can help the police catch the criminals( 犯罪者)and it can also keep on watch at the house......
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syms a,b,c,d； （x） clc;clear all; syms a b c d; dsolve('Dy(1)=1/2*a*y(2)*j','Dy(2)=-(c d)*y(2)*j 1/2*a*y(1)*j 1/2*b*y(3)*j','Dy(3)=-d*y(3)*j 1/2*b*y(2)*j') error('symbolic:dsolve:errmsg2','There are more ODE
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How many photos do you have? "mangy"改为“many" "photoes"改为”photos". 因为“photo"改为复数时是加S,而不是加es. 补充：加es的单词有”potato(马铃薯；土豆)、"tomato(番茄,西红柿)"...
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would you please tell me which step my application was in and how long will it take to go through.能不能加“大概”或者“大约”这个词在里面？最后加一个approximately就是大约的意思...
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11 how about 12 after school 13 think of 14 in the corner 15 go to the movies awful 可怕的,糟糕的grammar 语法ago以前 practiced经验丰富的 crowed 拥挤的 A A...
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这要看but前面的动词,前有do后无to,前无do有跟to do 举例子：I have nothing to do but go back home. There is no way to deal with the problem but to let it go....
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