物业消防安全检查的要求内容包括：对重点设施设备和机房进行深层次的检查，发现问题（）。

阅读理解。

      Mr Brown likes singing very much, but he is very bad at it. (1) He went to dinner at a friend's house

last week, and there were some other guests there, too.

      They had a good dinner, and then the hostess went to Mr Brown and said, "You can sing, Peter. Please

(2) sing us something."

      Mr Brown was very happy, and he began to sing an old song about the mountains of England. The guests

listened to it for a few minutes and then (3) one of the guests began to cry. She was a small woman. 

      One of the other guests went to her, put his hand on her back and said, "Please don't cry. Are you English?"

      Another young man asked, "Do you love England?" "No," she answered, "I'm not English, and I've never

been to England. I'm a singer, and I love music!"

1. 将划线部分(1)合并为一句：

     He went to dinner  ______ at a friend's house last week. 

2.  完成句子，使其意思与划线部分(2)相同。

     Please sing _______ us.

3.   在划线部分(3)中，one 指代 ________. 

根据短文内容，判断正误(T) (F) 。

( )4. Peter was Mr Brown’s given name.                                       

( )5. Mr Brown didn’t do well in singing.                                    

( )6. The guests asked Mr Brown to sing them a song.                          

( )7. All the guests listened to him very carefully and happily.              

( )8. Mr Brown sang a popular song.                                           

( )9. One guest heard Mr Brown’s song and cried because she came from England.  

有关关键线路描述不正确的是（）。

A、一个网络图只能有一条关键线路

B、一个网络图可以有多条关键线路

C、时耗最长的线路为关键线路

D、关键线路由总时差为0的关键活动组成

下列关于肌肉等长练习的描述，正确的一项是（）

A.等长练习又称动力练习

B.有利于改善肌肉的神经控制

C.遵循大负荷、少重复次数、快速引起疲劳的原则

D.固定膝关节的股四头肌锻炼属于等长练习

E.禁忌在关节内损伤、积液、炎症时应用

下列有关投资项目中市场风险的叙述错误的是（）。

A．市场风险是竞争性项目常遇到的重要风险

B．由于市场预测方法或数据错误导致市场需求分析出现重大偏差

C．由于市场竞争格局发生重大变化，对项目的销售产生重大影响

D．由于项目内部组织不当，对项目的效益产生了重大影响

(每题所给选项中有一个或一个以上的正确答案，请在题后的括号内填入正确的选项)

联华纺织厂的破产财产为：( )

A．6000万元

B．4100万元

C．3900万元

D．3600万元