JIT所定义的浪费包括（） A.生产过程中的浪费 B.生产方法的浪费 C.库存 D.

Are you looking for some new and exciting places to take your kids to? Try some of these

places:

Visit art museums

They offer various activities to excite your kids' interest. Many offer workshops for making

land-made pieces, book signings by children's favorite writer, 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 are prepared for kids and any special events that are coming up.

Go to a youth centre

Look for one in your area offering plays for child and family visitors. Pre-show play shops

are conducted by area artists where kids can discover the secret about performing arts- puppet(木偶)making .

Try hands-on science museum

Visit one of the many hands-on science museums around the country. These science play-lands are great fun for kids . They'll keep your child mentally and physically active the whole day through experimenting and building.

小题1:If a child is interested in the planets, he probably will visit

A．a youth centre

B．an art museum

C．a natural history museum

D．a hands-on science museum小题2: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.小题3:. Where does this text probably come from?

A．A science magazine.

B．A tourist leaflet.

C．A museum guide.

D．A local newspaper.

关于磨煤机堵煤说法正确的是（）。

A、磨煤机电流下将；

B、磨出口温度降低；

C、锅炉出力下降（汽压下降、蒸汽流量下降）；

D、磨入口一次风压增大、出口风压减少、风量降低，一次风机电流下降。

鉴于其邪教性质和恶劣影响，当月，我国公安机关迅速出击，抓捕多名“全能神”骨干分子，有力地打击了“全能神”的嚣张气焰，巩固了安定团结的社会政治局面。公安机关的这一行动（）

A.有利于引导宗教与社会主义相适应

B.直接管理了文化市场，有利于促进文化发展

C.有利于先进文化导向和示范作用的发挥

D.表明文化是政治的反映

抗磨液压油优等品按（）分为15、22、32、46、68共五个牌号。