低压氨水管路上,一般不设置安全阀。

题型:判断题

问题:

低压氨水管路上,一般不设置安全阀。

考点:炼焦工考试炼焦工初级炼焦工初级题库
题型:判断题

施工企业的架料、模板等,能够在施工生产过程中多次使用,基本保持原有的实物形态,它们属于企业的 ______ 。

A.施工产品

B.周转材料

C.库存材料

D.在建施工产品

题型:判断题
阅读理解
      Are you looking for some new and exciting places to take your kids to? Try some of
these places:
     Visit art museums. They offer a variety of activities to excite your kids' interest. Many
offer workshops for making hand-made pieces, traveling exhibits, book signings(签名) by
children's favorite writers, and even musical performances and other arts.
     Head to a natural history museum. This is where kids can discover the past from
dinosaur models to rock collections and pictures of stars in the sky. Also, ask what kind of
workshops and educational programs are prepared for kids and any special events that are
coming up.
     Go to a  Youtheater.  Look for one in your area offering plays for child and family
visitors. Pre-show play shops are conducted by area artists and educators where kids
can discover the secret about performing arts. Puppet (木偶) making and stage
make-up are just a couple of the special offerings you might find.
     Try hands-on science. Visit one of the many hands-on science museums around the
country. These science play-lands are great fun for kids and grown-ups alike. They'll
keep your child mentally and physically active the whole day through while pushing
buttons, experimenting, and building.. When everyone is tired, enjoy a fun family
science show, commonly found in these museums.
1. If a child is interested in the universe, he probably will visit
A. a Youtheater
B. an art museum    
C. a natural history museum
D. a hands-on science museum
2. What can kids do at a Youtheater?
A. Look at rock collections.
B. See dinosaur models.
C. Watch puppet making.
D. Give performances.
3. What does "hands-on science" mean in the last paragraph?
A. Science games designed by kids.
B. Learning science by doing things.
C. A show of kids' science work.
D. Reading science books.
4. Where does this text probably come from?
A. A science textbook.
B. A tourist map.
C. A museum guide.
D. A news report.
题型:判断题

当劳动的边际产量为0时,则总产量()。

A.为最大值 

B.为0 

C.开始减少 

D.出现负值

题型:判断题

孕4个月,突感小便频数而急,尿赤灼痛,胸闷食少,舌红苔黄腻,脉滑数。治疗首选()

A.导赤散

B.加味五苓散

C.龙胆泻肝汤

D.八正散

E.二妙散

题型:判断题

《建设项目竣工环境保护验收管理办法》规定:试生产申请经环境保护行政主管部门同意后,建设单位方可进行试生产。

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