薏苡仁功能
A．利水渗湿，宁心安利B．利水渗湿，清热排脓C．利水渗湿，泄热D．利水通淋，清热解暑
参考答案：B
You _____ be hungry already - you had lunch only two hours ago! [ ]
A. wouldn't
B. can't
C. mustn't
D. needn't
鉴定是否有质粒转入受体菌的方法是
A．抗药性选择B．免疫学方法C．逆转录作用D．分子杂交E．体外翻译
