砂的体积随含水率的变化而变化，当含水率为（）时，其体积最大。

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问题单项选择题

A.3%~5%

B.5%~7%

C.7%~9%

D.10%~12%

答案

参考答案：B

补全对话，情景问答

选择正确的答语。
( ) 1. How are you? ( ) 2. What's her name? ( ) 3. What's this in English? ( ) 4. How's the wcather in Shanghai? ( ) 5. Where is Kim?	A. Her name is Lynn. B. It's a pencil case, C. Sunny. D. She is in the gym. E. I'm very well. Thank you.

单项选择题

温病热蒸头胀，呕逆神迷，小便不通，渴不多饮，舌苔白腻，治宜：（）.

A.先予安宫牛黄丸，继服茯苓皮汤

B.菖蒲郁金汤送服苏合香丸

C.先予苏合香丸，继服茯苓皮汤

D.菖蒲郁金汤送服至宝丹