星期六的事情

what does fox say 书是知识的海洋是拟人句还是比喻句 走遍天下书为侣是拟人句还是比喻句 设 a=5,b=6,c=7,d=8 ,执行下列语句后,X 的值为 _____ .X=IIf((a>b)And(c>d),10,20)在IIF函数中false and false 不是应该为false吗?那样结果就应该是20啊,运行结果为什么显示false呢 本人比较笨, “我打开书读”改写成比喻句怎么改? 关于x的不等式组x^2+√2ax+5≥1/3,x^2+√2ax+5≤7/2有唯一解,则实数a的值是 请问语文试卷的评语怎么写? 我做了一份语文试卷,卷尾要写家长评价,怎么写呢? 9x的2次方=4 x=?若(x-1的三次方)=64 x=?1-√2的绝对值 是多少 已知圆c(x-1)2+(y-2)2=4,求过点(3,5)并与圆c相切的切线方程? 已知f(x)=x^2+ax+b与x轴两交点横坐标为x1,x2若a的绝对值＋b的绝对值 已知圆C:(X-1)^2+(Y-2)^2=10,P点的坐标为(2,5),过点P作圆的切线,则切线方程为 已知点p(-2,2)和圆C:x^2+y^2=0,求过p点的圆的切线方程圆的方程写错了是 x^2+y^2+2x=0 打工的意思 打工的定义是什么难道高学历就不用打工?只能说他们对社会的付出比较大?太自私了 已知x的平方-3y的值为2,则-3x的平方+9x-6的值为 解释意思 求解释这个章什么意思 f(x)=ax+b.x属于[0,1]时,f(x)的绝对值小于等于1,求证a,b绝对值的和不大于3 已知f (x)=x^2+ax+b(-1 F(X）=X²﹢AX﹢B 证明F(1）F(2） F(3）(要加绝对值）中 至少有一个不小于½ ） What class does he in? What class is he in? 这2个句子有嘛问题? 我的本意是他在哪个班 已知x=√5+1,求代数式x2-2x+2的值 the mountain is 1000 feet ( )the sea level A.over B.higher C.above D.high 为什么 已知抛物线y=x2+2x-1经过点P(m,5),则代数式2m2+4m+2013的值为? The teacher wanted to know___ A.what does Jim say about his trip to BeiJing B.what did .C.what Jim says about his trip to BeiJingD.what Jim said about his trip to BriJing为什么答案选A 求理解 在代数式(4x^2-2x-5)(1+(1/x^2))^5的展开式中,常数项为 What does the English teacher _______ about the homwork? what does Jim say about Scott?翻译（软件翻译不要来!） a bad storm.what does his teacher probably think about the weather?a,it was the same as the past.b they were not lucky this year .c rain is good for plants.d the weather may be bad next year toowhen ice nelt at the poles,it.a causus b gets warm c goe are you students?yes ane快对空处填单词 Are you a student?Yes,I'm.(这句话哪里错了,怎样订正)