120÷25
=120×52
=300（度）；
答：八月用电300度．
男性，70岁，反复冬春季咳嗽、咳白痰10年，胸闷、气急加重半天。
最可能的诊断是（）
A.支气管扩张
B.慢性纤维空洞性肺结核
C.慢性肺脓肿
D.慢性支气管炎
E.硅沉着病
The government is asked to improve school bus safety, ______? [ ]
A. didn't it
B. hasn't it
C. isn't it
D. doesn't it
