安全用电作业制度有哪些？

“不知细叶谁裁出，二月春风似剪刀”,影响柳树长出新叶的主要非生物因素是（   ）

A．风

B．空气

C．阳光

D．温度

漫画《敞开》说明了：（）

A.社会主义民主的本质是人民当家作主，国家的一切权力属于人民

B.全体人民直接享有管理国家和社会事务的权利

C.全国人民代表大会拥有最高立法权

D.我国法律是工人阶级及其领导下的广大人民意志和利益的体现

某企业A产品经过两道工序加工完成。A产品耗用的原材料在开始生产时一次投入。生产费用在完工产品和在产品之间分配采用约当产量比例法。2012年2月A产品有关的资料如下：（1）本月完工产品1300件。月末在产品数量及完工程度为：第一道工序500件，本工序在产品完工程度相当于完工产成品的30%；第二道工序200件，本工序在产品完工程度相当于完工产成品的80%，见表一。（2）产品成本计算单有关资料，见表二。要求：根据上述资料，回答第（1）～（3）题。

关于供气费用的分配，说法不正确的是（）。

A.锅炉车间供气费用的分配率为8.33元/小时

B.机修车间应分摊的供气费用为5000元

C.第一车间应分摊的供气费用为42483元

D.第二车间应分摊的供气费用为32517元

入磨物料水分大，通风（）时，易造成（）、（）饱磨等现象

As always, I am pleased to be here at the National Press Club for my (1) Speech. This is the seventh time I have had the (2) to give this speech, and over the years I have talked about a wide range of issues: (3) , reading, setting high expectations, improving the teaching profession, and (4) the American high school -- to name just a few.
I have just returned from a five-day, (5) tour of schools in rural America. We started in Monroe, Louisiana, and finished (6) later in Paducah, Kentucky. What I noticed most about the trip was the weather. Every time I (7) my Success Express School Bus, the local people who came to greet me (8) that the record for (9) had just been broken in their community. In each place, the temperature was always between (10) degrees.
Now, I have very good people on my staff. But the next time we plan a (11) , I’m going to have a (12) on my staff. I took this bus trip through rural America to make an important point that the (13) of children in our nation’s small towns cannot be ignored. Twenty-five percent of all our school children live in (14) all over America.
When it comes to our children, let’s always remember that children everywhere have (15) and (16) . Yet, schools in small towns too often have to (17) because of limited resources and a (18) . On my trip I put a p focus on the issues that matter in rural America, with a particular emphasis on (19) schools, reducing class size, and overcoming the (20) .