选择题：- Is there a room available for tonight?- Yes, Sir. May I help you?- ____...

题目内容：

- Is there a room available for tonight? - Yes, Sir. May I help you? - _________

A. Thank you. B. I'm hoping to book a single room. C. I want to go for a walk. D. No, that's fine

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答案解析：

从管道阻力损失的外因来看，流体在管路中的阻力损失可分为（）损失两类。A．主管阻力B．弯头阻力C．阀门阻力D．局部阻力

从管道阻力损失的外因来看，流体在管路中的阻力损失可分为（）损失两类。A．主管阻力B．弯头阻力C．阀门阻力D．局部阻力

分类： 大学英语B级  题型：选择题
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根据网关的用户和规格，可以将媒体网关分为以下哪几种？（）A．住宅网关B．接入网关C．资源网关D．无线网关E．商业网关

根据网关的用户和规格，可以将媒体网关分为以下哪几种？（）A．住宅网关B．接入网关C．资源网关D．无线网关E．商业网关

分类： 大学英语B级  题型：选择题
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- What is she?- _________A. She is a typist. B. She is talking to her friend C

- What is she?- _________A. She is a typist. B. She is talking to her friend C

分类： 大学英语B级  题型：选择题
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- Thanks for inviting me, John, but I've already made other plans. - _____...

- Thanks for inviting me, John, but I've already made other plans. - _____...

分类： 大学英语B级  题型：选择题
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- We are planning an outing. _________ - Sure.A. Where are you going? B. When

- We are planning an outing. _________ - Sure.A. Where are you going? B. When

分类： 大学英语B级  题型：选择题
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