（）指的是对实验情境进行控制，严格按照实验的要求设置实验情境。
A.随机控制法
B.物理控制法
C.测量控制法
D.配对控制法
参考答案：B
Speaker A: The native American Craft Exhibit closed this afternoon.Speaker B: ______
A．Oh, no! I've wanted to see that for months.
B．Well, why didn't you take me to see the exhibit before it closed
C．Thank you. When will there be such an exhibit again
D．If I were you, I would have gone to see it.
患者妊娠6个月，咳嗽1个月，干咳无痰，头晕目眩，手足心热，咽干口燥，两颧红赤，午后有微热舌红少苔，脉细滑数。治法应是
A．疏风散寒，宣肺止咳B．宣肺清热，化痰止咳C．清热润肺，化痰止咳D．健脾燥湿，豁痰止咳E．养阴润肺，止嗽安胎
