常咳出粉红包泡沫痰,两肺可闻广泛的水泡音和哮鸣音()
A.慢性阻塞性肺气肿
B.反应性肺浸润
C.心原性哮喘
D.支气管肺癌
E.喘息型慢性支气管炎
参考答案:C
After ___ absence, she found her hometown greatly changed.
A.a year’s or two’s
B.a year or two
C.a year or two’s
D.one or two year’s
禽类原料加工标准与要求是什么?