优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> — I ______ have turned on the air conditioner at such a low temperature.— No wonder you've got
— I ______ have turned on the air conditioner at such a low temperature.— No wonder you've got
题目简介
— I ______ have turned on the air conditioner at such a low temperature.— No wonder you've got
题目详情
— I ______ have turned on the air conditioner at such a low temperature.
— No wonder you've got a cold.
[ ]
A. shouldn't
B. couldn't
C. mustn't
D. needn't
题型:单选题
难度:中档
来源:江西省模拟题
答案
A
上一篇 :
It is required by the rules
下一篇 :
计算:(1)35×85=______;(2)(-59)×(-
搜索答案
更多内容推荐
— I left my handbagon the train, but luckily someone gave itto a railway official.— How unbelievable
(-b2a)2n的值是()A.b2+2na2nB.-b2n+2a2nC.b4na2nD.-b4na2n-数学
计算题(1)a2-4a2+2a-8÷(a2-4)•a2-4a+4a-2;(2)x2-1x2-4x+4÷(x+1)•x2-3x+2x-1-数学
Researchfindingsshowwespendabouttwohoursdreamingeverymight,nomatterwhatwe_________havedoneduringthed
分式乘以分式,用分子的积做______,分母的积做______;分式除以分式,把除式的分子、分母______后,与被除式______.-数学
计算:3a22b•4b9a=______.-数学
化简:(1)(xy-y2)÷x2-2xy+y2xy•x-yx2;(2)a-1a-2÷a2-2a+12a-4.-数学
You ____say these words. That has hurt her heart.[ ]A. can'tB. won'tC. oughtn't toD.
Your room is terribly dirty; you _____ get it cleaned in two hours, or Mum will be angry. [ ]A. canB
计算:(1)x2+xx-1•x+1x3+2x2+x(2)x2-4y2x2+2xy+y2÷x+2yx2+xy.-数学
计算:(-12a)÷(2ab)2×3b2a2÷(-2a2b)3.-数学
化简:a÷ab•1a的结果是()A.1B.baC.abD.ab-数学
If you _____smoke, please go outside.[ ]A. can B. shouldC. mustD. may-高一英语
— _____ you always question everything I say? — Sorry if I make you unhappy, but it's my habit
计算a-ba×(bb-a)2÷b2a2.-数学
化简5x+5y3a2b•6a3b2x2-y2=______.-数学
— Was the bungee jumper killed since the line broke after he jumped off the bridge?— Well, it's
计算:(xy-x2)•xyx-y=______.-数学
— What sort of car do you want to have?An expensive one?— Well,it _____ be expensive-that's not
It's quite warm here; we __________turn the heating on yet.[ ]A. couldn't B. mustn'tC
Students ______ remain in their seats until all the exam papers have been collected.[ ]A. would B. s
计算3b2a•(-a6b)的结果为()A.-b2B.b2C.b4aD.-b4a-数学
He _____ have completed his homework; otherwise, he would have been plying football with others. [ ]
— Youjustthinkofyourself!Youkeptmewaitingforaboutthreehours. — Iamsorrythatyou_____thinkso. [ ]A.wou
下列各式(1)(a+b)÷(a+b)•1a+b=a+b;(2)8a2b3÷(-3a4b2)=-6a3b;(3)m22n•(-1mn)=m22n2;(4)(-ab)•(-ab)2÷(-ab)3=a2b2
化简xx+1÷x2x2-1的结果是______.-数学
Perhaps you _____stop playing computer games now. Your boss may be turning up in the office at any m
已知x=2,则代数式(x2+2x-39-x2)3•(-x-31-x)2的值为______.-数学
计算:x2+xyx2-xy÷(x-y)•x2-xyxy.-数学
化简x2-1x2+4x+4÷(x-1)•x+2x+1-数学
计算:2b25a2•a2b=______.-数学
计算:(-ab)2•(-b22a)÷(-ab4).-数学
下列各式(其中n为整数)中正确的有()(-ba3)n=-bna3n,(-ba)n+2=bn+2an+2,(-a2b)2n=a4nb2n,(-ba)2n+3=b2n+3a2n+3.A.1个B.2个C.3
计算:x-1x2+3x+2÷x-1x+2=______.-数学
计算:2xy(x-y)2•x-y4y=______.-数学
计算(x-1)24x•2x2x-x2的结果是______.-数学
计算:(-ab)2÷(2a25b)2•a5b-数学
计算:(2a2b-c3)3=______.-数学
观察下面一列单项式:x,-12x2,14x3,-18x4,116x5,…(1)计算这列单项式中,一个单项式与它前一项的商,你有什么发现?(2)根据你发现的规律写出第n个单项式.-数学
计算:(x2+xy)÷x+yx的结果是()A.(x+y)2B.x2+yC.x2D.x-数学
计算:(1)8x29y2•3y-4x=______;(2)a2+5a+62a+6•a2+2a-8a2-4=______.-数学
— We need a person badly to deal with the present situation.— _____the new comer have a try? [ ]A. S
计算a2÷b•1b÷c•1c÷d•1d的值为()A.a2b2c2d2B.a2bcdC.a2D.无法确定-数学
计算:-18a2b27cd÷9ab37c2d4=______.-数学
计算xyx2-2xy+y2•x2-y2xy2-x2y,其结果为()A.1y-xB.1x-yC.x+y(x-y)2D.-x+y(x-y)2-数学
计算:(1);(2)。-八年级数学
如果,那么A=()。-八年级数学
计算的结果为()。-八年级数学
化简:()。-八年级数学
a2÷b2×=()。-八年级数学
返回顶部
题目简介
— I ______ have turned on the air conditioner at such a low temperature.— No wonder you've got
题目详情
— No wonder you've got a cold.
B. couldn't
C. mustn't
D. needn't
答案