下列搭配容易造成腹泻的是？（）
A.花生+生蟹
B.李子+鸡蛋
C.菠萝+鸡蛋
D.芹菜+肉
参考答案：A
精神发育迟滞的临床特征是（）
A.日常生活不能自理
B.学习成绩差
C.智力发育低下和社会适应困难
D.情感和行为幼稚
E.思维和语言贫乏
Which of the following most accurately describes the impact of a price ceiling set below the equilibrium price for a good and a minimum wage set above the equilibrium wagePrice ceiling Minimum wage （）①A. Shortage Decreased unemployment ②B. Surplus Increased unemployment ③C. Shortage Increased unemployment
A. ①
B. ②
C. ③
