优秀作业展观后感600字

选文中两次写到父亲的背影,分别表达了作者怎样的感情 《背影》中作者几次写到,想一想每次都表现了怎样的感情 背影 怎么理解作者的两次眼泪 单选题：1.（ ）My father has many books.He often ── them on weekends.A.reads B.sees C.watches2.（ ）─Excuse me,do you have any new cards?─Sorry,we don’t have──.A.it B.any C.some3.( )─ Lucy often dances in the ── after scho He often ( ) books on weekends.He ( ) books yesterday. 用read填空 He often ( ) books on weekends.He ( ) books yesterday. 有一首歌但不知道叫什么名字,开头是darling,darling,darling.女生唱的,darling,darling,darling,darling,darling,darling,darling,darling,darling,darling,darling,darling,. those are my cousins（改为否定句）those ( )my cousins matlab:出现错误Function definitions are not permitted in this context怎么回事?坐标轮换法的matlab程序[转]用坐标轮换法求最优解：y=x1^2+x2^2-x1*x2-10*x1-4*x2+60的最优解,初始点为：[0;0],精度为0.01%总程序x0=[0,0] These are my books 改为否定句 matlab 中定义函数,如何定义,我每次都会出现这个问题?Error: Function definitions are not permitted a I t___ to my classmates at lunchtime I often go to the English corner to have a free talk with my classmates ____ I am busy. [短句批改]sometimes I talk to my classmates...sometimes I talk to my classmates,if they are not interested,it can’t upset me any more.这个句子怎样写才更好一点呢? I.hope.we.can.make.efforts.together.in.the.futher帮我翻译成中文谢谢 I don't know how I shall talk to my new classmates.改同意句 Let's make a snowman together这个句子是正确的吗,如果错了错在哪里. -Where is Tom?-Well ,he ____ you ____ here.Otherwise he would come downA didn't know;wereB hasn't known;areC doesn't know;areD will be waiting我想问大家为什么不选B呢 "Where is Tom?" "Oh,here___."A is he coming B he is coming Che coms Tom is feeling well now(对well进行提问 我国地震主要分布在哪些地方? matlab中Error:Function definitions are not permitted at the prompt or in scripts.如何应对.我想计算一个积分{[1-(1-cos(x))/(2ε)]^c)*COS(mx)}/2π从a到-a积分其中ε>0m=0或者1（这个条件应该如何表达?）a=a=arccos(1-2ε)c=1.5 我国地震主要分布在哪些地区? 世界地震主要分布在( )和( )地区? 英语同义句转换Don’ forget to tell Jim 和My classmate lent me a dictionary two weeks ago要改成这样---- ------tell Jim. sugar是什么意思 sugar-coated 意思sugar-coated的意思是什么?急 sugar fuck my wife fuck!you wife! 火山地震的主要分布区的原因 地震的分布地区有哪些?