题目内容

In the past, taking a train in China was as comfortable as it is today.()

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In a sense, a hotel sells to its guests tangible products instead of spiritual products.()

下列是引起胸痛的胸壁疾病是

A. 肺癌
B. 胸膜肿瘤
C. 自发性气胸
D. 带状疱疹
E. 胸膜炎

The person who issues the invitation in the first place will eventually end up paying.()

() can be used by a group of persons traveling together.

A. single rooms
B. double rooms
C. suites
D. standard rooms

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