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问题
单项选择题
配制制剂人员应有健康档案，并每年至少体检
A．1次
B．2次
C．3次
D．4次
E．5次
答案
参考答案：A
选择题
读一读，选一选。
( ) 1.
a. William has a birthday party on May 8th at home.
( ) 2.
b. He often goes to the library in September.
( ) 3.
c. He has fun with his friends on June 1st, Children's Day.
( ) 4.
d. He visits his grandparents with his parents in February.
( ) 5.
e. He often goes swimming in July.
( ) 6.
f. He has a Christmas party on December 25th.
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填空题
基准溶液是指由（）制备或用多种方法标定过的溶液，用于（）。
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