we+were+at+buckingham

@黎刻3736:定语从句和一个句型(1)We were all overjoyed at the news - _______the experiment turned out a success.A.that B.which C.when D.whatIt is almost 5 years__... - 作业帮
储爽18968046862…… [答案] 答案依次是A,B,C,C.理由依次是:1.news 即the experiment turned out a success,用定语从句,关系代词用that;2.翻译是:自从我们上次见面到现在快5年了,即:我们已经快5年没见了.since"自从”之意;选before翻译就...

@黎刻3736:概率论 P(AUBUC)=P(A)+P(B)+P(C) - P(AC) - P(BC) - P(AB)+P(ABC) 为什么最后还要加个P(ABC) -
储爽18968046862…… ABC在A、B、C中,都包含,在AB、BC、AC中也都包含. 所以P(A)+P(B)+P(C)中,P(ABC)加了三次. 而在-P(AC)-P(BC)-P(AB)中,又减了三次. 所以P(ABC)部分等于没有计算,必须加上一次,计算进去. 所以最后必须加一次P(ABC)部分

@黎刻3736:什么是宾语补足语 -
储爽18968046862…… 简单举例说明: I give him a book. 我给他一本书. I(主语) give(谓语) him(宾语) a book(宾语补足语). 宾语补足语起补充说明的作用,补充说明宾语.希望你一看就懂!呵呵~~~

@黎刻3736:情态动词的用法 - 作业帮
储爽18968046862…… [答案] Grammar—Modal-verb Ⅰ.情态动词 一、can/could 1.表示能力时 was/were able to 具体做成某件事(=managed to do ) could 只表示能够 2.can+感官动词 can taste/ see/ hear/ smell/ feel/ believe/ decide/ understand 3.can表示惊讶、不敢相信 Eg: How...

@黎刻3736:We went through a period - ---- - communications were difficult in rural areas. -
储爽18968046862…… C in which 定语从句修饰的是period,是阶段,不是人物,所以不能用whose

@黎刻3736:3集合相交问题 A+B+C=AUBUC+A∩B+B∩C+C∩A - A∩B∩C -
储爽18968046862…… 设置一个符号[X]表示只被X覆盖的集合 A=[A]+[A∩B]+[A∩C]+[A∩B∩C] B=[B]+[A∩B]+[B∩C]+[A∩B∩C] B=[C]+[A∩C]+[B∩C]+[A∩B∩C] AUBUC=[A]+[B]+[C]+[A∩B]+[A∩C]+[B∩C]+[A∩B∩C] A∩B=[A∩B]+[A∩B∩C] C∩B=[C∩B]+[A∩B∩C] A∩C=[A∩C]+[A∩B∩C] A∩B∩C=[A∩B∩C] 那么算一下A+B+C=[A]+[B]+[C]+2([A∩B]+[A∩C]+[B∩C])+3[A∩B∩C],正好也是等式右边

@黎刻3736:10.We were made - ____ - the plan. The plan was made - ____ - to us all. They made us - ____ - the plan. - 作业帮
储爽18968046862…… [选项] A. to know B. known C. knowing D. know ABD

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