题目内容

幼儿的血管内径相对来说比成人宽。

A. 对
B. 错

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学前儿童年龄越小，血压越低。

A. 对
B. 错

The convention business is very profitable for a hotel.

A. 对
B. 错

The hotel always gives preferential rates to guests who rent rooms on a long-term basis.

A. 对
B. 错

Mongolian hot pot is served only in a Mongolian yurt.

A. 对
B. 错