描述滤过的影响因素
A．吸收B．分布C．代谢D．排泄E．转运
参考答案：D
人体试验根据道德价值和原则确定的类型中，不包括（）
A.有得无失
B.得失不明
C.有失无得
D.得不偿失
E.得失相当
Through the economic reform, the economic situation of China _________ much better than it used to be.
A．turned into
B．turned off
C．turned in
D．turned out
