面点铺上午卖出8笼包子，每笼10只，下午卖出110只，请你提出两步计算的问题，并解决它．

1 您好,你办什么业务
hello, what can i do for you?
2 请您当面点清,慢走
please check the money carefully.Thanks for coming.
3 您是要兑换成人民币吗?
would you like to converse Renminbi ?
4 请填写这个单子
Please fill in this form
5 请填写您的名字 护照号码 金额 地址 电话,最后请签字
Please fill in your name,passport number,the sum of money , your address and telephone.then sign here.

社会主义制度的确立是中国历史上最深刻最伟大的社会变革,也是20世纪中国又一次划时代的历史巨变（2分）.社会主义制度的确立,为中国现代化的建设创造了制度条件（2分）.社会主义制度的确立,使广大劳动人民真正成为国...

D

时而在烟波浩淼的梁山泊上徜徉 时而在静寂无声的顿河岸边漫步。

略

解题思路：（I）确定ξ可能取值为1，2，3，求出相应的概率，可得ξ的分布列与数学期望；
（Ⅱ）分别确定当ξ=1、2、3时，函数f（x）的奇偶性，即可求得事件D发生的概率．

（I）ξ可能取值为1，2，3．-------------------------------（2分）
记“该选手通过初赛”为事件A，“该选手通过复赛”为事件B，则
P（ξ=1）=P（
.
A）=1-[3/4]=[1/4]；P（ξ=2）=P（A
.
B）=P（A）P（
.
B）=[3/4×(1−
2
3)=
1
4]；
P（ξ=3）=P（AB）=P（A）P（B）=[3/4×
2
3]=[1/2]--------------------（5分）
ξ的分布列为：

ξ 1 2 3
P [1/4] [1/4] [1/2]ξ的数学期望Eξ=1×[1/4]+2×[1/4]+3×[1/2]=[9/4]------------------------（7分）
（Ⅱ）当ξ=1时，f（x）=3sin（[π/2x+
π
2]）=3cos[π/2x，∴f（x）为偶函数；
当ξ=2时，f（x）=3sin（
π
2x+π）=-3sin
π
2x，∴f（x）为奇函数；
当ξ=3时，f（x）=3sin（
π
2x+
3π
2]），∴f（x）为偶函数；
∴事件D发生的概率是[2/3]．-----------------------------------（12分）

点评：
本题考点： 离散型随机变量的期望与方差．

考点点评： 本题考查概率的计算，考查离散型随机变量的分布列与期望，正确求概率是关键．

5 Ways to Learn Jargon,And Fast
Posted:09 Jul 2008 06:52 PM CDT
Early on in my writing career,I took on a couple of articles covering project management.To put it mildly,I didn鈥檛 know a Gantt chart from a PERT chart.Worse,I didn鈥檛 even know where to start.I had already learned,though,that vocabulary is the fastest way to become an expert on any subject 鈥 even if you don鈥檛 really know that much about a topic,at least you can talk the talk.I knew that in order to write these articles,I needed to learn the jargon that every project manager uses without even thinking.
So I fired up my web browser,and headed to Wikipedia鈥?br/>1.Wikipedia
That鈥檚 right.My first stop is Wikipedia.I鈥檒l be the first to admit that Wikipedia is never guaranteed to be the gospel truth,but I鈥檝e found that for any learning project,whether I鈥檓 doing research for a school paper or trying to find the right words to talk about a particular topic,Wikipedia is guaranteed to be a good starting point.It鈥檚 because good Wikipedia articles link to fairly expert sources,the kind that are both a good source for an introductory-level encyclopedia article and for a crash course in the subject.
So,I鈥檒l go to Wikipedia and skim the article on whatever my subject is.I鈥檒l open up links and try to get an idea of related terms and important names.The names of people and companies can be as important to a conversation on a given topic as the actual vocabulary.It鈥檚 doubtful,after all,that anyone would have a conversation on productivity and entirely ignore David Allen and GTD.
2.Taking Notes
While I take notes primarily in conjunction with what I read online,you can take notes from any source you find useful.The actual act of transcribing information,preferably interpreting it into your one style of writing is incredibly helpful.When possible,I like to actually write things down by hand,but in this cut and paste world,even actually typing out words and definitions can help.The acts of writing and interpreting make it easier to remember and use a word later on that just copying it into your notes will.If you鈥檝e got a little time,actually writing out a few paragraphs using your new words can really cement their meanings in your mind.
If you鈥檙e working on a written project,you may even come out ahead on your notes.You may be able to write them in such a way that you can use them in part or in whole for that research project or article or speech you鈥檙e preparing for.If that鈥檚 the case,consider trying to take your notes with that end in mind:structure your notes to match whatever product you鈥檙e in the process of creating.
3.Experts
Once I鈥檝e got a general idea of a topic,I鈥檒l go looking for an expert who can spend even a few minutes talking to me.I prefer someone in person but the internet has an expert on everything.Hearing how your expert uses terminology is a good way to learn,but using that terminology yourself and asking your expert to correct you can be even better.
At the very least,you鈥檙e guaranteed to learn proper pronunciation.I was one of those kids who read a lot of books in high school,including physics.I knew an awful lot about Richard Feynman,but it wasn鈥檛 until I actually head someone talking about him that I realized 鈥渇en-i-man鈥 is not the correct pronunciation of his last name.That can be the biggest problem that comes from doing all your learning from books or Wikipedia:you may not know just how to say your newly-learned vocabulary.
4.Roots
If you鈥檙e struggling with jargon,a good way to get a handle on it is to look up a word鈥檚 roots.This can be as simple as typing your word into Dictionary.com and seeing what pops out.Plug in the word 鈥榙ictionary,鈥 for instance,and it will tell you that the rood is 鈥榙iction鈥 which means 鈥榳ord鈥 in Latin.The word 鈥榙iction鈥 in English also describes carefully chosen words,helping us to make a connection between 鈥榙ictionary鈥 and its root.This technique is surprisingly effective with scientific terms 鈥 some scientists just seem to enjoy making new terminology out of old Latin and Greek terms.
5.Usage
The moment you stop using your newly learned jargon,it starts slipping away.If you want to maintain your knowledge,you have to keep using it,if not building on it.Talk about the topic.Write about it.Blog about it if you have no other opportunity to use it in your day to day life.It鈥檚 the same problem you鈥檒l have if you learn a foreign language.Even your bike riding skills can get rusty if you don鈥檛 use them regularly.They can even become outdated if you don鈥檛 notice changes in the area.I make a point of keeping my project management vocabulary up to date.
Just this morning,I had the opportunity to write an article on the topic.If I hadn鈥檛 read the occasional project management article or chatted about the topic with an expert or two,I would have had to relearn all of that vocabulary.It wouldn鈥檛 have taken quite the effort of the first time around,but it would have made writing that article a much longer process.

解题思路：由“六面体骰子其六个表面分别标记有1，2，3，4，5，6个点”可从中找出乘积为144的点数，进而解决问题．

因为2×3×4×6=144，3×3×4×4=144，1×4×6×6=144，2×2×6×6=144
所以2+3+4+6=15，3+3+4+4=14，1+4+6+6=17，2+2+6+6=16．
因此掷出的这四颗骰子点数的和可能有4种不同的值．

点评：
本题考点： 数字和问题．

考点点评： 此题在寻找乘积为144的点数时，应采取试探的方法，进行解答．

意思就是:要将你心里面的想法表达出来才行的.要不然人家怎么知道

已知：在Rt△ABC中,∠C=90°,∠A=30°,a=1,求b.
a/b=tanA
b=a/tanA=1/(√3/3)=√3

时而在烟波浩淼的梁山泊上徜徉,
时而在静寂无声的顿河岸边漫步.

你可以具体一点,烘培食品分很多类型,工业生产中必须的和可适量添加的添加剂完全不同
如果你是问全部的面点,那么唯一的回答是,酵母
至于危害,这是食品添加剂,和危害没什么关系.
关于作用,发面.

时而在古色古香的空城中遐想

"试衣间"
Fitting Room或Dressing Room
"收银台"
Cashier's Counter或Checkout Counter
"温馨提示:钱票请当面点清"
Friendly Reminder: Please check your change before leaving( the checkout area可省略).

等式是最简单的一种等价关系,满足三条基本性质：
自反性：即a=a;
对称性：即如果a=b,那么b=a;
传递性：即如果a=b,b=c,那么a=c;
1.等式两边同时加上或减去同一个数,等式仍然成立
2.等式两边同时乘以或除以同一个数 （除数不能为零）,等式仍然成立.
3.若a=b,b=c,则a=c.( 等量代换 )
自反性：即a=a;
对称性：即如果a=b,那么b=a;
等式的传递性： a=b b=c 则 a=c
等式的性质1 ： 若a=b ,则 a+c =b+c 或 a-c=b-c
等式的性质2： 若a=b a*c = b*c ,若 c 不等于 0 ,则 a/c = b/c

1、中央子午线不同,坐标是不同的,这涉及高斯正射投影的算法.建议你查阅《控制测量学》.
2、一般按标准的1980西安坐标系,你要把中央子午线设为117度,如果是地方坐标系那要按要求设置.
3、当然中央子午线不同是可以通过软件进行换算的.误差是几公分.
4、对经纬度的结果没有影响,只会影响平面直角坐标.
希望能给你帮助.

蜘蛛在身后筑起了坚不可摧的围墙

酒精灯灼烧,高温杀菌,紫外线杀菌都可以

概况
Survey
奇农食品
Qinong food
奇台面点
Qitai pastry
休闲食品
Snacks
农庄特产
Farm products
安全用油
Safety oil
古城酒业
The ancient city of wine
天山野珍
Tianshan wild Jane
伴手礼品
With hand gift

时而在烟波浩淼的梁山泊上徜徉

A.B段由动能定理得
mgh-f1L=1/2mvb^2 -0
B.C段由动能定理得
-f2x2=0-1/2mvb^2 vb=20m/s
A.B段弯曲坡道总长L=150m
人与雪橇到b处的速度大小为20m/s

DIY是do it yourself.
如果是名词,应该是：self-made cakessnacks
如果是动词形式,就应该是make cakes by oneselfon one's own

原式=(2009+1)*20092009-2009*20102010=2009*(20092009-20102010)+20092009=2009*(-1001)+2009*1001=0

原图看成两个四分之一圆并联,AB看成两个串联.
所以是I/4