你在打篮球吗英语

L C K H Z这几个字母能组成一个单词么? H4是什么? H4是什么啊、 “干物女”这个词语是源至日本的吗? 日本“干物女”穿纸尿片上班 最近有什么生活流行词语?像“拉拉”“悍妇”“干物女”之类的 EXCEL 中：当H3>h4 则 H3 当H4>H3时,则选H4 They must have finished their homework,_______. He must have finished his homework,he A,mustn't B didn't Chasn't 选哪个, He must have finished his project last week,___.A.mustn't he B.didn't he C.hadn't he……答案是B为什么?AC不可以吗?求详解sorry,C搞错了，是haven't he 1.设方程x平方+2kx+4=0的两个实根为x1,x2,若（x1/x2)平方+（x2/x1)平方大于等于3,则k的取值范围为多少? – I think music is as interesting as art.-- _______ .I think music is very nice.– I think music is as interesting as art.-- _______ .I think music is very nice.A.I don ’ t know B.Maybe,but I prefer musicC.That ’ s all right D.I hope so I think the color is very nice改成否定句!I两空the color 一空 very nice. I think the room is very nice but＿small.AI think the room is very nice but＿small.A.kind of B.a kind ofC.all kinds of D.a kind 已知n是正整数,P1（x1,y1）,P2（x2,y2）,…,Pn（xn,yn）,…是反比例函数y=k/x图象上的一列点,其中x1=1,x2=2,…,xn=n,…．记A1=x1y2,A2=x2y3,…,An=XnYn+1,…若A1=a（a是非零常数）,则A1•A2•…•An的值 如图,P1（x1,y1）,P2（x2,y2）,Pn（xn,yn）,…在函数y=4/x的图象上,△P1OA1,△P2A1A2,△P3A2A3,△PnAn-1An,都是等腰直角三角形,斜边OA1,A1A2,A2A3...An-1An都在x轴上（1）求P1的坐标（2）求y1+y2+y3+...+y10的值 点P1（x1,y1）,点P2（x2,y2）,…,点Pn（xn,yn）在函数（x＞0）的图象上,△P1OA1,△P2A1A2,△P3A2A3,…,△PnAn﹣1An都是等边三角形,斜边OA1、A1A2、A2A3,…,An﹣1An都在x轴上（n是大于或等于2的正整数）,则点P 设x1,x2是方程ax平方+bx+c=0的2个实数根,求x1,x2 已知x1=根号2,x2=根号6是关于x的方程 x的平方+ax+b=0 的两个实数根,则a= ,b=最好是有计算步骤 i think my car is as ( )as yours.(nice) i think the f什么 in the restaurant is very nice. that is a very nice car.句中表语是那部分? 秋黄瓜不结瓜有哪些原因? 黄瓜只开花,不结瓜?我种了两颗黄瓜,为什么一直开花开花,就是不结黄瓜.很郁闷, 黄瓜怎么才能结瓜 宇宙的存在有什么意义呢? 商标右上角R代表什么? 由y^2=x,x-2y-3=0,所围成的面积.用定积分, 定积分的应用.y=3-x^2与y=x^2-2x-1所围图形的面积等于____ 定积分在几何中的应用y2=2x与y=x-4围成图形的面积,用X做积分变量算 10.已知P1(x1,y1)、P2(x2,y2)、…、Pn(xn,yn)(n为正整初中数学已知n是正整数,p1(x