题目:
煤气管道为什么要安装氮气接头?
答案:
参考答案:
检修管道时起吹扫作用。
煤气管道为什么要安装氮气接头?
参考答案:
检修管道时起吹扫作用。
根据《中华人民共和国测绘法》的有关规定,在不妨碍国家安全的情况下,确有必要采用国际坐标系的,必须经______批准。
A.国务院测绘行政主管部门
B.军队测绘主管部门
C.国务院测绘行政主管部门会同军队测绘主管部门
D.外交部
病历摘要:某婴儿诊断动脉导管未闭,拟全麻下行导管结扎术。入手术室后哭闹不止,监测体温34.5℃
不应该做哪些操作()。
A.使用镇静剂
B.立即保温
C.开始诱导
D.面罩给氧
E.继续其他操作
阅读理解。
Each new school year brings fresh reminders of what educators call the summer learning gap. Some
call it the summer learning setback. Simply speaking,it means the longer kids are out of 'school,the more
they forget. The only thing they might gain is weight.
Most American schools follow a traditional nine-month calendar with winter and spring breaks and
about ten weeks of summer vacation. Some schools follow a year-round calendar. They hold classes for
about eight weeks at a time,with a few weeks off in between. The National Association for Year-Round
Education says there were fewer than 3,000 such schools at last count. They were spread among forty-six of the fifty states.
But many experts point out that the number of class days in a year-round school is generally the same
as in a traditional school. Lead researcher Paul von Hippel said,"Year-round schools don't really solve the problem of the summer learning setback. They simply spread it out across the year.
Across the country,research shows that students from poor families fall farther behind over the summer than other students. Experts say this can be prevented. They note that many schools and local governments offer programs that can help.
But calling them "summer school" could be a problem. The director of the summer learning center at
Johns Hopkins,Ron Fairchild,said research with groups of different parents in Chicago and Baltimore
found that almost all strongly disliked the term "summer school". In American culture,the idea of summer
vacation is connected to beliefs about freedom and the joys of childhood. The parents welcomed other
terms like "summer camp," "extra time" and "hands-on learning. "
1. According to the first paragraph,the summer learning gap ____
A. helps children to gain weight
B. leads children to work harder
C. improves children's memories
D. affects children's regular studies
2. Compared to traditional schools,students in the year-round ones _____
A. perform better and have more learning gains
B. have much less time for relaxation every year
C. have generally the same number of class days
D. hold more classes with more free weeks off
3. Which of the following statements is true?
A. Students from poor families often fall behind after the vocation.
B. Year-round schools can solve the problem of the learning gap.
C. There are schools in each state following a year-round calendar.
D. Nothing can help the students who fall behind after the vocation.
4. Why did almost all parents dislike the term "summer school"?
A. They cherish the children's rights of freedom very much.
B. They are worried about the quality of the "summer school".
C. They want their children to be forced to make up the gap.
D. They can't afford to the further study during the vacation.
5. What would be the best title of this passage?
A. Opening Summer Camps
B. Forbidding Summer Schools
C. Spreading Year-Round Education
D. Minding the Summer Learning Cap
以孔子为代表的儒家学派的美育思想主要有()
A.主张美与善的统一
B.主张美育与德育的融合
C.强调美育的道德教化作用
D.把美育看做是进行道德教育的一种辅助手段和工具
E.实施美育的目的在于进行道德教育
下壁 ( )
A.Ⅱ、Ⅲ、aVF导联
B.Ⅰ、aVL导联
C.V1、V2、V3导联
D.V3、V4、V5导联
E.V5、V6导联
心肌梗死定位: ( )