成人肺结核最可靠的诊断依据是()
A.低热、咳嗽、乏力、盗汗
B.血沉增快
C.结核菌素试验阳性
D.胸片有渗出性阴影
E.活组织病理检查,可见干酪性病灶
参考答案:E
冬季某天我国三个城市的最高气温分别是﹣9℃,1℃,﹣5℃,把它们从高到低排列正确的是[ ]
A.﹣9℃,﹣5℃,1℃
B.﹣5℃,﹣9℃,1℃
C.1℃,﹣9℃,﹣5℃
D.1℃,﹣5℃,﹣9℃
there is 70% of water on the planet, only about 1% of that water is drinkable.[ ]
A. Though
B. Only if
C. As though
D. However