更多内容推荐
-
若为非负实数,则关于的说法正确的是()A.表示数的平方根B.比小C.一定是无理数D.在数轴上一定能找到表示数的点-八年级数学
-
下列命题中,错误的是()A.关于x的一元二次方程,必有两个互为相反数的实根;B.关于x的方程必有两实根;C.关于x的一元二次方程必有一根为零;D.关于x的方程可能没有实根.-九年级数学
-
Many students apply for a position at that company, but only a few _____.A.are being acceptedB.are a
-
--- Any news about the fire?--- Nearly 20 people ______ from the burning building by now.A.rescuedB.
-
Whenever Steve sang in the shower, his voice _______ throughout the house.A.has rungB.would ringC.wa
-
It is reported that the guy who is going to _________ the lecture spent a year living in the rain fo
-
计算的值为A.B.C.D.-八年级数学
-
a与2a的和为()A.3aB.5aC.3aD.5a-数学
-
How did you ___ to paint the whole house in a week?A.tryB.manageC.winD.succeed-高一英语
-
(每小题4分,共8分)(1)计算:;(2)解方程:(3x+2)2-4=0-九年级数学
-
--- May I visit you at 10 o’clock tomorrow morning?--- I’m afraid I ______ a document for my boss th
-
The salespeople said they hadn’t overcharged customers, but the police’s report showed that the prac
-
At the moment of the car accident, Jason’s life _____ in the blink of an eye.A.changesB.had changedC
-
---The “No.1 Document” is designed to help the rural population increase their incomes.---I believe
-
计算-九年级数学
-
---Anna, you look so tired and wet all over!---Well, you know, all morning I _______ my books to my
-
使式子有意义的的取值范围是_______-九年级数学
-
下列结论正确的是A.B.C.D.-八年级数学
-
By the time he arrives in Beijing, we ______ here for two days.A.will have stayedB.will be stayingC.
-
--Can I call you back at two o’clock this afternoon? ---- I’m sorry , but then I ______ to Beijing .
-
观察下列各式:,,,,…,请你将猜想的规律用含自然数的代数式表示出来.-九年级数学
-
The famous hospital _____ in 1911.A is built B was built C build D builds-高二英语
-
计算:18+8+27-48.-数学
-
计算:=.-九年级数学
-
Unfortunately, when I dropped in, Dr. Green ______, so we only had time for a few words.A.just leftB
-
若和都有意义,则的值是A.B.C.D.-八年级数学
-
.-八年级数学
-
若2<x<3,则=_。-九年级数学
-
Sun Yang, a young Chinese swimming talent, ___________several gold medals before 2012 London Olympic
-
―Our company will organize a trip to Hongkong next month. I ______ my mother there.―I’d rather you _
-
计算:+20120-九年级数学
-
---It was dangerous to throw that bottle out of the window. You could have hurt someone.---I’m so so
-
如果点P()关于原点的对称点为(–2,3),则x+y=▲.-九年级数学
-
Lin Tao _____ his uncle from the UK tomorrow.A will seeB sawC would seeD had seen-高二英语
-
.若为二次根式,则m的取值为A.m≤3B.m<3C.m≥3D.m>3-八年级数学
-
If you stick to it, this plan ______ that your company is well prepared to deal with future challeng
-
During her childhood Susan read a lot about Chinese history, from which she _________ greatly in her
-
下列计算中,正确的是[]A.|-2|=-2B.C.a3·a2=a5D.2x2-x=x-九年级数学
-
不用计算器计算:23(54+1227)-(24+43).-数学
-
化简:=()。-九年级数学
-
-八年级数学
-
12-12-213.-数学
-
当时,化简的结果是.-九年级数学
-
— I’m afraid that I may miss her at the airport.— Don’t worry. She ______ a bunch of flowers at that
-
A completely new situation will______ when a new tool comes into use.A.ariseB.riseC.raiseD.arouse-高二
-
As she _________the newspaper, Granny _________asleep.A.read, was fallingB.was reading, fellC.was re
-
There are still many people suffering a lot,and we are to do something to________poverty.A.keep outB
-
We should spend the money on something that will ________ everyone.A.benefit toB.benefit fromC.benef
-
计算:-九年级数学
-
下列计算中正确的是()A.3+2=5B.3-2=1C.3+3=33D.34=32-数学
题目简介
函数中,自变量的取值范围是-八年级数学
题目详情
答案
根式有意义,根式里面为非负数。
答案