室内设计内容主要包含哪几个方面？室内环境又包含哪些内容？

加氢裂化催化剂中活性组分的贵金属物质主要为（）。

A、Pt

B、Ni

C、Pb

D、W

要很容易地看出股市的行情变化，应选用统计图是[ ]

A.扇形

B.折线

C.条形

文言文阅读。

　　嗟夫！予尝求古仁人之心，或异二者之为，何哉？不以物喜，不以己悲；居庙堂之高则忧其民；处江湖之远则忧其君。是进亦忧，退亦忧。然则何时而乐耶？其必日“先天下之忧而忧，后天下之乐而乐”乎。噫！微斯人，吾谁与归？（节选自范仲淹《岳阳楼记》）

1．解释下面加粗的词语。

（1）予尝求古仁人之心__________

（2）或异二者之为__________

（3）先天下之忧而优__________

（4）是进亦忧，退亦忧__________

2．用现代汉语翻译下面句子。

不以物喜，不以己悲。

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3．古往今来，像范仲淹这样忧国忧民的志士仁人，在中国历史上并不鲜见，你能列举出几个吗？请你列举出来，并简述其事迹。

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Networks can be interconnected by different devices. In the physical layer, networks can be connected by （66） or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches, which operate at data link layer. They can accept （67） , examine the MAC address, and forward the frames to a different network while doing minor protocol translation in the process. In the network layer, we have routers that can connect two networks. If two networks have （68） network layer, the router may be able to translate between the packet formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message （69） . As an example, gateways between Internet e-mail and X.400 e-mail must （70） the e-mail message and change various header fields.

（75）处填（）。

A．detailed

B．outlined

C．total

D．complete

预算定额的应用形式主要有（）

A.直接套用

B.定额换算

C.编制补充定额

D.调整价差