悬浮液中固体的密度为3.91g/cm3,问浓度为18.9%的悬浮液其密度是()g/cm3
A.1.35
B.1.45
C.1.55
D.1.65
参考答案:C
物体的______叫温度.要准确地判断或测量物体温度要用______,常用温度计是根据液体的______的性质制成的.
Holiday shopping ________ be a tiring experience. There are so many places to visit and choices
to make. [ ]
A. can
B. may
C. shall
D. will