试样室煤样
参考答案：由总样或分样缩制的送往试验室供进一步制备的煤样。
In September 1997, the government of Yunnan Province claimed that Zhongdian is ____ Shangri-la is in Hilton’s story.
A．in which
B．when
C．what
D．where
试比较双胍类药和磺酰脲类药的降血糖作用及临床应用的特点
