提供矿粒与气泡接触机会的是（）。A、弥散气泡 B、捕收剂 C、起泡剂

阅读下面短文，完成所给任务。

Tom was three years old. He liked to watch TV with his parents after supper,    ①  his parents never let him stay long. Mother would say, “It’s eight o’clock now. ②汤姆，到了你睡觉的时间了。”

“But why don’t you go to bed, too?” Tom always asked.

“We are adults (大人),” mother would say, “And adults go to bed late.”

One evening Tom asked his mother for an apple.

“But it’s too late,” his mother didn’t want to give him anything to eat at bedtime. “The apples are already asleep.”

“But not all of them,  Mom.” Tom said, “The baby apples are perhaps asleep, but their parents are surely awake.”

1.请在①处填上一个适当的连词。                    

2.请把②出的句子译文英语。                                  

3.What did Tom ask his mother for?                                      

4.请在文中找出和下面的句子意思相同的句子。         

His mother wanted to give him nothing to eat at bedtime.

5.文中有一对反义词，其中一个是asleep，对应的是                。

对防误操作闭锁装置有什么要求？

甲于2009年8月10日取得一级建造师注册执业证书，注册有效期满后若需继续执业，乙最迟应当在( )之前申请延续注册。

A．2011年7月10日

B．2011年8月10日

C．2012年7月10日

D．2012年8月10日

在环评报告书中提出的建议正确的有（）。

A．大气污染严重或没有环境容量的城市，应限制大气污染严重的产业

B．区域内河流现状水质较差，不宜在其沿岸布局水耗及废水排放量大的工业，如制浆、制糖、酒精等

C．林浆纸一体化工程建设应注意林、浆能力平衡

D．源头和江河的上游，不宜布局制糖、淀粉、酒精、制浆等水污染大的产业

各类抗生素代表药物都有哪些？如何联合应用？