The experiment was conducted in a The person who had tested healthy before the study

admin2009-01-21  29

问题 The experiment was conducted in a
The person who had tested healthy before the study

选项 A、dropped out.
B、passed away.
C、was found to have cancer.
D、was found to remain healthy.

答案C

解析
转载请注明原文地址:https://jikaoti.com/ti/MCqsFFFM
0

最新回复(0)