第4题: [单项选择]设来自正态总体X~N(μ,1.52)的样本值:49.7,50.6,51.8,52.4,48.8,51.1,51.2,51.0,51.5。则μ的置信度为0.95的置信区间为()。 A. [49.92,51.88] B. [49.7,51.88] C. [50.6,51.88] D. [49.92,51.1] 参考答案:A
第5题: [单项选择]治疗痛风风寒湿阻证的首选方药是() A. 实脾饮 B. 蠲痹汤 C. 桃红饮 D. 独活寄生汤 E. 白虎加桂枝汤 参考答案:B
A. take in B. bring in C. be taken in D. be brought in 参考答案:D 答案解析:本题意为“将会从其他国家引进更多机器,来建立我们镇上的这家工厂。”因本题中选项动词和machines之间是被动关系,所以首先排除[A]、[B]两项;take in“收留,理解,改短”与题意不符。故应选