下列营养素不具有清除体内自由基的作用的是( )。
A．维生素E
B．硒
C．钙
D．β-胡萝卜素
参考答案：C
解析： 钙没有抗氧化作用。
— I'd like to invite you to dinner this Saturday.
— ______. [ ]
A. Come on
B. I'd rather stay at home.
C. Oh, no. That will be too much trouble.
D. I'm very sorry, but I have other plans.
下列方剂不是仲景治便秘的方剂的是
A．大承气汤B．大黄附子汤C．温脾汤D．麻子仁丸E．厚朴三物汤
