Over the years,the effectiveeness and the enics of using financial incentives(刺激)to increase the supply of transplant organs has been a_____________. ( 章节：8 难度：4)_做题室

单项选择题Over the years,the effectiveeness and the enics of using financial incentives(刺激)to increase the supply of transplant organs has been a_____________. ( 章节：8 难度：4): A、potential; B、contentious issue; C、and opponents; D、donated

正确答案：B
答案解析：
关注下方微信公众号，在线模考后查看

热门试题