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问题 单项选择题

配级式双级制冷压缩机的开机操作应是：待高压级氨压缩机运转正常，并使中间冷却器压力降至（）Mpa时，再启动低压级氨压缩机。

A.0.05

B.0.1

C.0.15

D.0.2

答案

参考答案：B

单项选择题

Matthew Reeves is listening to a discussion on how resources move to the most efficient allocation. Two of the participants make these statements: Statement 1: When resources are diverted from beer production to wine production, this represents an inefficient allocation from the perspective of the beer producers. Statement 2: Market allocation of resources tends toward efficiency because the value of what a resource can produce determines its allocation in production. Should Reeves agree or disagree with these statements Statement 1Statement 2（） ①A. Disagree Agree ②B. Agree Agree ③C. Agree Disagree

A. ①

B. ②

C. ③
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多项选择题

目前，营改增政策规定，试点纳税人提供（），以其取得的全部价款和价外费用，扣除向委托方收取并代为支付的政府性基金或者行政事业性收费后的余额为增值税计税销售额。

A、广告代理服务

B、知识产权代理服务

C、货物运输代理服

D、代理报关服务
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