下列溶液蒸干后,能析出溶质固体的是 [ ]
①FeCl3 ②Fe2(SO4)3 ③Ca(HCO3)2 ④Na2CO3
A.仅①④
B.仅②④
C.仅①②
D.全部
答案:B
男性,35岁,火焰烧伤总面积70%。颜面、颈、前胸及两上肢为Ⅲ°烧伤(30%),伤后1小时送医院处理。
该患者烧伤指数为()
A.30
B.50
C.40
D.70
E.100
— Alexis, would you please lend me your car?
— _____.[ ]
A. That's right
B. No, thanks
C. Of course not
D. Sure, here is the key