小儿急性脓胸最常见的致病菌是（）
A.结核杆菌
B.大肠杆菌
C.放线菌
D.金黄色葡萄球菌
E.链球菌
参考答案：D
In duty calculation, in case the CIF price of imports is in terms of foreign currency, it shall be converted into ______.
A．another foreign currency quotedB．RMB at buying price quotedC．RMB at selling price quotedD．RMB at the middle price between the buying and selling prices quoted
练太极时，神是怎样解释？
