某工程按最早开始时间安排的横道图计划如图6—2所示，其中虚线上方数字为该工作每月的计

读短文，判断正(T)误(F)。

      Becky is a little girl. She is only five. She does not go to school and of course, she can't read or write. But

her sister Mary is a schoolgirl. She is ten. 

      One day, Mary sees her little sister at the table with a pen in her hand and a big piece of paper in front of

her. " What are you doing, Becky? " she says. 

      " I'm writing a letter to my best friend Sally." says Becky. 

      " But how can you? " says her sister. " You can't write." 

      " Well," says Becky, " It doesn't matter (没关系), because Sally doesn't know how to read."

( ) 1. Becky goes to school every day.

( ) 2. Mary can read and write.

( ) 3. Sally can read Becky's letter.

( ) 4. Sally is a friend of Becky's.

( ) 5. Sally is a schoolgirl.

关注自身的精神需求成为新一代农民工的一个重要特点，并引起了社会各界的广泛关注。在近年的春节联欢晚会上，也出现了很多以农民工为题材的节目。这表明

①社会主义先进文化就是大众文化  

②要发展为人民群众所喜闻乐见的文化   

③要坚持一切从实际出发，实事求是   

④要分析同一事物的矛盾在不同阶段的特点

A．①③④

B．②③④

C．①②③

D．①②④

我国对新建企业噪声卫生标准的规定是，每日工作8小时，噪声强度不得超过（）。

A.80dBA.

B.85dBA.

C.90dBA.

D.95dBA.

E.115dBA.

塑料制220kV断路器外壳

自容式充油电力电缆利用压力油箱或重力油箱向电缆的（）补充绝缘油。

A.屏蔽层

B.绝缘内部

C.内护套