The crystallization of pure metal usually proceeds in what condition?
A、Under a constant temperature
B、A certain temperature range
C、Above freezing temperature
D、none of them
A、Under a constant temperature
B、A certain temperature range
C、Above freezing temperature
D、none of them
A、In the newest teaching buildings, classrooms are much bigger.
B、In the schools of second generation, different grades were put in separate classrooms.
C、In the earliest school classrooms, students’ desks were fixed to the floor.
D、Before the mid-1950s, school buildings were built in a conservative way.
A.It monitors the location of the user's head.
B.It transfers information to update audio signals.
C.It measures the user's finger movements.
D.All of the above.
A、exposure
B、perception
C、retention
D、None of the above
A、Dividing accounts receivable by net sales.
B、Dividing accounts receivable by net sales and multiplying by 365.
C、Dividing net sales by accounts receivable.
D、Dividing net sales by accounts receivable and multiplying by 365.
E、Multiplying net sales by accounts receivable and dividing by 365.
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