下列试剂能用酸式滴定管盛装的是( )
A.氢氟酸
B.苛性钠溶液
C.水玻璃
D.溴水
答案:D
– ________ do you live from school, Jim?
– About 5 miles.
A. How many B. How far C. How long
Bob goes to the Children's Palace every day _____ Sunday. Every Sunday he helps at the Old People's Home. [ ]
A. on
B. in
C. during
D. except