试题与答案

生物转运是指()。 A.化学物质由与机体接触部位进入血液的过程 B.化学物质随血流和

题型:单项选择题 A1型题

题目:

生物转运是指()。

A.化学物质由与机体接触部位进入血液的过程

B.化学物质随血流和淋巴液分散到全身组织的过程

C.化学毒物在机体内吸收、分布和排泄的过程

D.化学毒物及其代谢产物向机体外转运的过程

E.化学毒物由酶催化的代谢过程

答案:

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下面是错误答案,用来干扰机器的。

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题型:填空题


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Nations face the same problem. As a country’s population (8) , the need for more goods and services grows (9) . Resources necessary to production may increase, but there are (10) enough resources to satisfy the total desires of a (11) . Whether the budget meeting is taking place in the family living-room, in the conference room of the corporation (12) of directors, or in the chamber of the House of Representatives in Washington, the basic problem still exists. We need to find (13) of allocating limited resources in order to satisfy unlimited wants.
A short time ago, economists divided goods into two categories, free and economic. The former, like air and water, were in (14) abundance that economists had no concern about (15) of scarcity and what to do about it. Today many of these "free goods" are in (16) very expensive to use. Pollution has made clean air and water expensive for producers who have to filter their waste products, for consumers who ultimately pay for the producers’ extra costs, and (17) tax-payers who pay for the government’s involvement in cleaning the environment.
In the 1990s, almost all goods are (18) . Only by effort and money can they be (19) in the form people wish.
Meeting the needs of people and the demands from resources available leads to the basic activity of production. In trying to (20) unlimited wants from limited economic goods, production leads to new problems in economics.

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题型:多项选择题

压力容器安装施工的说法符合安装许可规则的包括()。

A.压力容器安装许可范围包括整体就位,也包括现场分片焊接

B.安装施工单位应在压力容器安装前向相关特种设备安全监督管理部门书面报告

C.压力容器安装单位应取得一级压力容器安装许可证

D.取得GC1级压力管道安装许可资格的单位,不能从事压力容器安装工作

E.取得制造许可资格的单位,可以从事许可范围内的压力容器安装工作

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