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【单选题】
下列属于杂环化合物的是A.
苯
B.
环
C.
呋喃
D.
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举一反三
【单选题】When we evaluate various sources, which one of the following might NOT be reliable?
A.
Sources which are those of experts in the field because those articles are reviewed by other experts before being published
B.
Sources coming from prestige publishers and government which usually have the resources and expertise to provide official information
C.
Sources from well-known and respected organization which have the resources and expertise that allow them to provide reliable information
D.
Web-based sources because there is no way of knowing whether the information is accurate or not if an author or organization is not defined, or if there is no date.
【多选题】From which sources may primary insurer purchase reinsurance?( )
A.
Professional Reinsurer
B.
Direct Writing Company
C.
Reinsurance Pools
D.
Lloyd‘s of London
【单选题】销售计划具有以下作用：（）、销售计划包含了销售活动所需的成本核算和费用核算、销售计划制定了为实现销售目标要采取的具体措施和步骤，可以使各部门人员心中有数，明确自己的责任和工作，有利于协调和沟通企业各部门、各环节的关系。
A.
销售计划设定了预期的经营目标
B.
销售计划设定了预期利润指标
C.
销售计划不利于企业控制人力物力成本
D.
销售计划制定销售策略
【单选题】What is the translation of “Nonrenewable energy is obtained from sources at a rate that exceeds the rate at which the sources are replenished.”
A.
非可再生能源获得的速度超过了它的补充率
B.
化石燃料中的石油天然气是当今世界的主要一次性能源
C.
有些能源被称为可再生能源资源。这是因为，与非可再生能源资源不同，他们不会紧缺(即取之不尽，用之不竭)。
D.
涨潮和落潮之间的差异可以有数米，潮汐运动的能量可以用来发电。
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