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问题 单项选择题

容积式灌装机的停机步骤，正确的是（）

A、关闭灌装机进口阀，停灌装机

B、关闭灌装机进口阀、出口阀，停灌装机

C、关闭灌装机进口阀，待灌装机装完油槽内油品，停灌装机

D、关闭灌装机出口阀，待灌装机装完油槽内油品，停灌装机

答案

参考答案：C

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(2)根据课文内容填空(8分)

There are two main types of advertisements— commercial advertisements and     41    service advertisements (PSAs). A commercial advertisement is one which someone has paid for to    42       a product or service. PSAs are often placed for free, and are    43     to educate people about health., safety, or any other issue which affects public    44       .

This   45  will give you some information about RealCine: how it works, why it is better than   46   cinema,

and how it can be used in other ways. I believe you will be     47   by the RealCine experience, and will agree

that this is an extraordinary     48     that must be developed further.
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单项选择题

按投资者的构成和所承担的法律责任来划分，我国企业主要有个人独资企业、（）、公司制企业。

A、合伙企业

B、无限公司

C、有限公司

D、两合公司
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