关于喉梗阻分度,依据正确的是()
A.根据呼气性呼吸困难程度
B.根据声音嘶哑程度
C.根据犬吠样咳嗽程度
D.根据吸气性呼吸困难程度
E.根据实验室结果
参考答案:D
With the boy _____ the way, we had no trouble _____ the way to lead to Zhongshan Park.
A.leading; finding
B.to lead; found
C.led; finding
D.leading; to find
循环水加药间的药剂不用分类,随便堆放。