优课网
首页
数学
语文
英语
化学
物理
政治
历史
生物
首页
> ___ help the people in the snowstorm in the south made him worried.A.Not known how toB.Unknown what
___ help the people in the snowstorm in the south made him worried.A.Not known how toB.Unknown what
题目简介
___ help the people in the snowstorm in the south made him worried.A.Not known how toB.Unknown what
题目详情
___ help the people in the snowstorm in the south made him worried.
A.Not known how to
B.Unknown what to do to
C.His knowing not how to
D.His not knowing how to
题型:单选题
难度:偏易
来源:不详
答案
D
略
上一篇 :
John received an invitation
下一篇 :
先将(x2x+1-1x+1)÷x-1x化简,然
搜索答案
更多内容推荐
先化简,再求值:,其中x=-1。-九年级数学
计算:(x2-1)(1x-1-1x+1)的结果是______.-数学
甲、乙同学帮助学校图书馆清点一批图书,已知甲同学清点200本图书与乙同学清点300本图书所用的时间相同,且甲同学平均每分钟比乙同学少清点10本,求甲同学平均每分钟清点图书-九年级数学
货车行驶70千米比小车行驶70千米多用24分钟,已知小车每小时比货车多行驶20千米,求两车的速度各为多少?设货车的速度为千米/时,依题意列方程正确的是[]A.B.C.D.-八年级数学
实际运用5·12汶川大地震发生以后,全国人民众志成城,首长到帐篷厂视察,布置赈灾生产任务,下面是首长与厂长的一段对话:首长:为了支援灾区人民,组织上要求你们完成12000顶-九年级数学
—Come on,please give me some ideas about the project.—Sorry.With so much work ________ my mind,I alm
计算:(1)a3a+1-aa+1;(2)m2m-1-(m+1);(3)4aa2-1+1+a1-a;(4)(a2b-cd3)3÷2ad3•(c2a)2-数学
计算:(2-4x+3)•xx+1的结果是______.-数学
化简(1-1m+1)(m+1)的结果是______.-数学
If water becomes increasingly scarce in decades ________,water shortage will become a hot issue all
陇海路改建工程指挥部要对某路段工程进行招标,接到了甲,乙两个工程队的投标书,从投标书中得知:甲队单独完成这项工程所需天数是乙队单独完成这项工程所需天数的;若由甲队-九年级数学
The big- eyed girl came in, ________ a cake with two ________ candles on it.A.bring; litB.brought; l
________ the party was a great honor to the family. A.Being invited to B.Inviting toC.Invited toD.To
After meeting the beautiful girl, Peter lay on his bed with wonderful ideas ________ in.A.crossingB.
Lily’s mobile phone was left in a taxi accidentally, _____ again.A.never to findB.to never be foundC
Mr. Smith’s doctor suggested him_______ cold food these days.A.not eatB.not eatingC.not to eatD.didn
xx-2-xx-2÷x-2x等于()A.0B.xx-2C.x2-4x(x-2)2D.-2x(x-2)2-数学
=()。-八年级数学
化简:的结果是[]A.2B.C.D.-九年级数学
先化简,再求值:,其中a=1+.-八年级数学
计算:(1-1a)÷(a-1a).-数学
The country has already sent up three unmanned spacecraft,the most recent ________ at the end of las
If there is a lot of work ________, I'm happy to just keep on until it is finished.A.to doB.to
To learn English well, we should find opportunities to hear English ________ as much as we can.A.spe
小明乘出租车去体育场,有两条路线可供选择:路线一的全程是25千米,但交通比较拥堵,路线二的全程是30千米,平均车速比走路线一时的平均车速能提高80%,因此能比走路线一少用-九年级数学
某村计划新修水渠3600米,为了让水渠尽快投入使用,实际工作效率是原计划工作效率的1.8倍,结果提前20天完成任务,若设原计划每天修水渠x米,则下面所列方程正确的是[]A.B.-九年级数学
(1+1x)÷(1-1x)等于()A.x+1x-1B.x-1x+1C.x2-1x2D.x2x2-1-数学
若x=2005,则()÷=()。-八年级数学
________ the program,they have to stay there for another two weeks.A.Not completingB.Not completedC.
列方程解应用题:某城市在道路改造过程中,需要铺设一条长为1500m的管道,为了尽量减少施工对交通造成的影响,实际施工时,工作效率比原计划提高了20%,结果提前2天完成了任务-九年级数学
The young mother walked off, leaving the little boy ___________ in the room. A.cryB.crying C.criedD
某市从今年1月1日起调整居民家用水价格,每立方米水费上涨,小刚家去年12月份的水费是15元,而今年7月份的水费是30元,已知小刚家今年7月份的用水量比去年12月份的用水量多5-八年级数学
八年级学生到距离学校15千米的农科所参观,一部分学生骑自行车先走,过了40分钟后,其余同学乘汽车出发,结果两者同时到达,若汽车的速度是骑自行车同学速度的3倍,求骑自行-九年级数学
先化简,后求值:x-1x÷(x-2x-1x),其中x=3.-数学
计算a-1a÷(a-1a)的结果是______.-数学
先化简,再求值:(2x2-2x-1x2-4x+4)÷x-4x,其中x=12.-数学
A cook will be immediately fired if he was found ________ in kitchen.A.smokeB.smokingC.to smokeD.smo
The news of ________ greatly made us surprised a lot as he was indeed very excellent.A.not his havin
为响应低碳号召,李老师上班的交通方式由开汽车改为骑自行车,李老师家距学校10千米,由于汽车的速度是自行车速度的4倍,所以李老师每天比原来提前30分钟出发,才能按原来的-九年级数学
如图小明家、王老师家、学校在同一条路上,小明家到王老师家的路程为3km,王老师家到学校的路程为0.5km,由于小明的父母战斗在抗洪防涝第一线,为了使他能按照到校,王老师-八年级数学
某电脑公司经销甲种型号电脑,受经济危机影响,电脑价格不断下降.今年三月份的电脑售价比去年同期每台降价1000元,如果卖出相同数量的电脑,去年销售额为10万元,今年销售额-九年级数学
某品牌瓶装饮料每箱价格26元,某商店对该瓶装饮料进行“买一送三”促销活动,若整箱购买,则买一箱送三瓶,这相当于每瓶比原价便宜了0.6元.问该品牌饮料一箱有多少瓶?-九年级数学
计算1-3x2y÷3x2y•2y3x的结果是()A.2y-6xy9x2B.2y-3x2yC.3x-2y3xD.3x2y-数学
We don’t allow _______in the office.But you are allowed _____ in the rest room.A.smoking; smokingB.t
A survey________public last month shows that Japan moves behind other nations in teaching youngsters
We didn’t expect them ___ for us when we arrived there so late.A.to be waitingB.to have been waiting
—They are quiet,aren't they?—Yes.They are accustomed ________ at meals.A.to talkB.to not talkC
—Excuse me,sir, where is Room 301?—Just a minute.I'll have Bob ________ you to your room.A.sho
先化简后求值:3+xx-2÷(x+2-5x-2),其中x=2007.-数学
先化简,再求值x2-2x+1x2-x+3x,萁中x=1.-数学
返回顶部
题目简介
___ help the people in the snowstorm in the south made him worried.A.Not known how toB.Unknown what
题目详情
答案