I can't wait _____ the nice picture. [ ]
A. buy
B. to buy
C. buying
D. bought
答案:B
风疹脑炎为风疹极罕见的并发症,发生率仅约1/5000,但病死率可高达()
A.10%
B.20%
C.30%
D.40%
E.50%
并联电容器装置中氧化锌避雷器(MOA)选型错误,未选用电容器组专用的避雷器,基本扣分是多少?()
A.2
B.4
C.8
D.10