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【单选题】
（）即用分样板划成两对角线分为四等份，再混和相对的2份，继续用上法分样，直达平均样的最低要求。
A.
铲取法
B.
四分法
C.
分样器选取
D.
随机法
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Ladies and gentlemen, welcome to Dalian, a famous summer resort ( 避暑胜地 ) and one of the best tourist cities in China. With clear sky, green mountains, blue seas, fine beaches, clean streets and lovely...
A.
comes in the best season.
B.
is here to join more tourists
C.
may not stand the heat here.
D.
is traveling back home.