鲁东大学2016招生

my son pretended___when i came back A to sleep D to be sleeping when my mom came in,i pretend A.to be reading B.to be read不好意思。打错。B选项是to read ..为什么要加BEING啊？ 运用JAVA中大数类实现大数的四则运算使用JAVA中自带的大数类,实现无线长度整数的加减乘除运算. the boy pretended ( )when his mother entered.括号中为什么填 to be reading She pretended______ a book when the teacher came in.A to read B to be reading. He pretended to be reading a book 中为什么用be reading people in the west make_ a rule to buy christmas presents for their relatives and friends .people in the west make it a rule to buy christmas presents for their relatives and friends .此处为何用it people in the west make it a rule to buy christmas presents for their relatives and friends .这句话的中文意思是什么? Christmas is a vey busy time for eveyone.People send cards to their relatives and friends.Theymake their houses pretty.People also buy presents for everyone in the family.They put them under the tree In many c______,Christmas is one of the most impo 设函数f(x)=x+2(x 设函数f(x)满足f(x-1)=2x-5,求f(x平方) 设函数y=2X平方+X+30,求f’（1）.f’（2）,f'（0） He pretended ______ watch TV when I came in.A.not B.not to C.don't D.to not选哪个?请说明一下下... 玛丽的生日聚会很有趣的英文怎么写 The men in the office are our maths teachers划线提问 划在the office Our teachers are having a m___in the teachers' office. 给MARY写一封信,邀请她参加我星期六晚上七点钟的生日晚会 假如你是Mary,明天是你的生日,你在家里举行一个聚会,你需要一些帮助,请你给Lily发电子邮件,你希望他来帮你打扫房间,顺便在来的路上买一些面包,水果,四瓶啤酒,来时你付钱给他要求1：说明 能帮我想个和.锤子(普通话)发音相似的英文单词吗? 英语单词 after 麻烦用汉语标一下,我不会拼的. “abandon”这个英语单词怎么读?麻烦用汉语标一下,我不会认音标. “山公马”一词的来历?如题! 有马字的全部组词 announce 为什么在句子中的用法与在词组中的用法不同? give out 与announce用法的区分 announce什么意思? announce 的名词形式还是 enquire 的名词形式 It will be an immense stadium.It will be____.A.tall B.wide C.high D.huge announce declare proclaim的区别是什么,用法有什么不同的? they will have a party( )the aftemoon( ) june!A,in,on B,on,at C,in,of D,on,of 过点（1.2)且与直线2x+y-3=0平行的直线方程为?A 2x+y-5=0 B 2y-x-3=0 C 2x+y-4=0 D 2x-y=0 4选1 解释为什么选那个答案什么方法算出是那个答案 过点（1.2）且与直线2X+Y-3=0平行的直线方程为多少 具体