在蒸发操作中，由于溶液中含有溶质，故其沸点必然低于纯溶剂在同一压力下的沸点。
题型：判断题
问题：
在蒸发操作中，由于溶液中含有溶质，故其沸点必然低于纯溶剂在同一压力下的沸点。
题型：判断题
小题1:If you lose (丢失) a set of keys, you can call _________.
A．Jack
B．Miller
C．Lily
D．Mo Yan小题2: Miller lost his ________.
A．keys
B．book
C．bike
D．basket小题3:.Lily is from _________.
A．No. 2 Middle School
B．Class 6, Grade 7
C．Building 2
D．Class 7, Grade 6小题4: Frog is ________.
A．a kind of bike
B．a kind of key
C．a kind of animal
D．a name of a book小题5:Which one is true (正确的)?
A．Jack lost a set of keys
B．Miller found a book.
C．There is a toy bear on the bike.
D．Lily lost a book.