as+soon+as+possible翻译
娄卞冠1993已知A,B均为n阶方阵,则必有( ) -
翟芬哲18816799271 ______[选项] A. (A+B)2=A2+2AB+B2 B. (AB)T=ATBT C. AB=0时,A=0或B=0 D. |A+AB|=0⇔|A|=0或|E+B|=0
娄卞冠1993设AS 为文法的综合属性集, AI 为继承属性集, 则对于下面的属性文法G...
翟芬哲18816799271 ______[答案] is of great + 抽象名词 相当于 is greatly + 该抽象名词的形容词形式 如: be of great value = be greatly valuable be of great use = be greatly useful be of great help = be greatly helpful 等
娄卞冠1993so nice 和 so nicely有区别吗They treat me so nice.They treat me so nicely.前者是副词+形容词,后者是副词+副词,意思上是否有区别? -
翟芬哲18816799271 ______[答案] 前者是修饰具体的名词的 而后者是修饰抽象的名词的,例如精神方面的 类似的词还有很多
娄卞冠1993数学等差数列的前n项和的求解过程1 设Sn是等差数列的前n项和,若a5/a3=5/9则S9/S5等于?2 数列{an}的通项公式 an=(2n+1).,则bn=a1+a2+a3...+an)/n(n属... -
翟芬哲18816799271 ______[答案] 1..因为an是等差数列, 所以a5+a5=a1+a9=2(a5),a3+a3=a1+a5=2(a3) 又因为S9/S5=9(a1+a9)/5(a1+a5) 所以S9/S5=9(a5+a5)/5(a3+a3)=9(a5)/5(a3) 且a5/a3=5/9 所以S9/S5=(9/5)*(5/9)=1 2.因为an=(2n+1), 所以sn=a1+a2+……+an=(3+2n+1)*n/2=n(n...
娄卞冠1993有"have+n.+(in) doing"这种用法吗?比如have trouble in doing或者have difficult in doing -
翟芬哲18816799271 ______[答案] 有的
娄卞冠1993英语翻译1.2 ScopeInput of the application will be the 1200+ images with a .jpg extension.The naming convention of the images is account number (9 digits and... -
翟芬哲18816799271 ______[答案] 12范围, 输入的应用将是1200 +图像jpg延伸.这个命名规则,照片的帐号(9位和零填写),紧随其后的是一个000通过延长以允许999协会多张图片来一个帐户号码(允许所有者,可供选择的ID,等等). 下面是几个例子的原始图像的名字: ...
娄卞冠1993it was no use+doing还是to do -
翟芬哲18816799271 ______[答案] be no use doing sth是肯定的,绝对没错. 例如 It is no use watching too much TV. 看太多电视是没用的 这是固定搭配 所谓的接to do sth,是用在be used to do sth被用来做某事 It is no use trying to persuade him to have a holiday because he is a ...
娄卞冠1993lt's time for going to school 变 lt's time for+lt's time for going to school 变 lt's time for+名词 -
翟芬哲18816799271 ______[答案] 不能,go to school 是动词词组