单选题
如果管道中通过介质的温度（）环境温度，管道则缩短。
发布日期：2021-03-23
低于
高于
试题解析
环境温度
环境温度是表示环境冷热程度的物理量，测量方法有干球温度法、湿球温度法、黑球温度法。
管道
管道是用管子、管子联接件和阀门等联接成的用于输送气体、液体或带固体颗粒的流体的装置。通常，流体经鼓风机、压缩机、泵和锅炉等增压后，从管道的高压处流向低压处，也可利用流体自身的压力或重力输送。管道的用途很广泛，主要用在给水、排水、供热、供煤气、长距离输送石油和天然气、农业灌溉、水力工程和各种工业装置中。
- 中文名
- 管道
- 别名
- 管路
- 主要领域
- 农业灌溉、水力工程
- 外文名
- Conduit
- 用途
- 各行各业
- 材质
- 金属 非金属
质的
质的，箭靶。《荀子·劝学》:“质的张而弓矢至焉。”杨倞注:“质,射侯;的,正鹄也。”
- 中文名
- 质的
- 拼音
- zhì dì
题王网让考试变得更简单
扫码关注题王，更多免费功能准备上线！
此试题出现在
Passage 10Questions 8—12 ● Read the article about corporation merger. ● Choose the best sentence to fill each of the blanks. ● For each blank 8—12 mark one letter (A—G) on your Answer Sheet. ● Do not use any letter more than once. ● There is an example at the beginning.Corporation Merger The most common kind of consolidation today is the merger. A merger occurs (0)______. With the deregulation of natural gas, the nation’s 20 interstate pipeline companies became fearful of cutthroat competition. Some felt that they could increase their efficiency and improve their market flexibility by merging. In l985 Internorth of Omaha paid $2.3 billion for Houston Natural Gas Corporation, (8)______. The system connected markets from coast to coast and raised sales to $10 billion. On occasion, mergers have occurred between smaller companies in an industry dominated by a few giant firms. These smaller companies claim that (9)______. They maintain that such action increases competition instead of reducing it. The Antitrust Division of the Justice Department has not always agreed with them. Four major waves of mergers have taken place in this country. The first started in l887, just prior to the passage of the Sherman Antitrust Act, and ended in l904. It involved such giants as United States Steel and Standard Oil trying to create monopolies in their industries. From the end of World War I until the l930s, large firms swallowed smaller firms to create oligopolies. The monopoly has no chance and the oligopoly little chance of succeeding today under present antitrust policy. The third major merger movement began in the l960s, reached a peak in l969, (10)______. Many of the acquisitions involved giant firms in one industry buying up large companies in totally unrelated industries. Such mergers are called conglomerate mergers. A classic example is Mobil Oil Corporation’s purchase of the huge retail chain Montgomery Ward& Company. Mergers in the last ten years were in the thousands. More important is the value of the transactions, which has risen sharply. The number of mergers and acquisitions apply (11)______. The petroleum industry had mergers and acquisitions valued at closed to $80 billion between l981 and l984. Other industries (12)______ were banking and finance, insurance, mining and mineral, and processed foods. Example: A. there by gaining control of the world’s longest pipeline B. and then gradually declined C. experiencing large takeovers D. resulting in combinations of small firms E. only to those valued at $100 million or more F. when two or more companies get together to form one company G. they need to merge to become more efficient and effective
按照国家税务总局《纳税服务投诉管理办法》的规定，对办税服务的投诉，具体包括（）。
在对直肠癌进行诊断的过程中，通过直肠镜取活组织进行病理检查时宜（）
关于类风湿关节炎，不正确的是（）
贝多芬曾被誉为“音乐神童”。
普通股股票的账面价值是指（）。
接力比跑必须是比赛人（）跑完全程。
在WCDMA系统中，对于UE支持HSDPA的能力级别，可以在（）消息中看到。
太阳黑子的平均活动周期是（）。
通过话务统计对设备问题（载频板、塔放、A接口）进行判断的方法有：（）。