双相滴定法()
A.邻苯氮菲指示液
B.淀粉指示液
C.偶氮紫指示液
D.溴麝香草酚蓝指示液
E.结晶紫指示液
参考答案:E
After a thorough search, the rescue team finally brought the mountain climbers back, __________.
A.safely and soundly
B.safe and sound
C.safely and sound
D.safe and soundly
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