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问题 单项选择题

下列违背了城市供气管网布置一般原则的是()。

A．应结合城市总体规划和有关专业规划进行

B．应尽量靠近用户，以保证用最短的路线，达到同样的供气效果

C．为确保供气可靠，一般各级管网应平行布置

D．燃气管网应避免与高压电缆平行敷设

答案

参考答案：C

解析：为确保供气可靠，一般各级管网应沿路布置。

单项选择题

The world has never been more closely and intricately connected. Our behavior (51) the environment we all share, and we are tied into a global economy and global communication system. (52) choosing to buy one garment rather than another we help determine whether someone on the other side of the world retains or (53) their job; emissions from one part of the world contribute to a hole in the ozone layer somewhere else; we can (54) with others anywhere via satellites, the Internet and the mobile phone. This interdependency, (55) "connexity", is the defining characteristic of the world today.

However, despite connexity, human beings have also (56) been, more separate. Belief in individual rights and freedoms is at the heart of the West’s world view. People nowadays insist their freedom to (57) how to live, who to love, what to consume and what to believe. In economics, the sovereignty of the consumer and the shareholder is paramount. In politics, the sovereignty of nations remains a (58) concern.

In this inspiring and important book Mulgan argues that our freedom and our connectedness are set or collision course and argues that the (59) way out of our current impasse (僵局) is to go beyond our sense of ourselves as (60) unit, and recognize the webs of mutual responsibility in which we live.

60().

A.isolated 

B.isolation 

C.isolating 

D.isolate
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单项选择题

古人所称的“拙荆”是指：（）

A.自己的妻子

B.自己的丈夫

C.对方的妻子

D.对方的丈夫
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