土壤中N肥不足时,使根冠比变()。
参考答案:大
— Do you like ____ a teacher?
— Sure. But my parents ____ me to be a doctor when I was a young girl. [ ]
A. to be, hoped
B. being, hoped
C. being, wished
D. to be, wish
在原发性和继发性肺结核中,哪一型临床表现有较大差异()。
A.浸润型肺结核
B.结核性胸膜炎
C.原发性肺绍核
D.慢性纤维空洞型肺结核
E.血行播散型肺结核