总承包单位建筑工程、装修工程项目专职安全生产管理人员应如何配备？

高尔基说：“世界上最快而又最慢，最长而又最短，最平凡而又最珍贵，最容易忽视而又最令人后悔的就是时间。”这种时间观说明 [ ]

A．矛盾着的事物各有特点  

B．矛盾双方的转化是有条件的  

C．矛盾的同一性寓于斗争性之中  

D．矛盾即对立统一

1. The whole world seemed ___________ (shock) at the news of the death of the famous American

singer, Michael Jackson.

2. Much to their delight, their hometown was found __________ (change) a lot after such a long time.

3. Mary got blamed by her boss because she had left the office with all the lights _________ (burn).

4. The book fair, ____________( open) last week, has attracted a large number of people including

many little children.

5. No witnesses could give the police a detailed ______________ (describe) of the murder happening

in that district.

6. While staying in England, he was always _____________ (enthusiasm) about making friends with the

local people.

7. There is no ____________ (possible) that he will win the game even though he has got much trained.

8. I keep the reference books on the desk for ______________ (convenient) because I frequently use

them.

（1）现代科学技术的发展与材料科学、能源的开发密切相关，下列关于材料、能源的说法正确的是______．

A、化石能源为清洁能源

B、纳米材料的粒度在10-100μm之间

C、半导体材料的导电性能介于金属导体和绝缘体之间

D、液晶既有液体的流动性，又有光学性质的各向同性

（2）一定质量的理想气体在某一过程中，气体对外界做功7.0×10⁴J，气体内能减少1.3×10⁵J，则此过程______．

A、气体从外界吸收热量2.0×10⁵J

B、气体向外界放出热量2.0×10⁵J

C、气体从外界吸收热量2.0×10⁴J

D、气体向外界放出热量6.0×10⁴J．

下列命令中可以将文件file的权限设置为可执行的是（）。

A.chmod777file

B.chmod+xfile

C.chownrootfile

D.chownexefile

贷审会参会人员，二级分行出席委员人数不得低于（）.

A.7人

B.8人

C.9人

D.10人