More than one million Americans participated in the six-year study. Most of the participants slept for 7 hours a night during t

admin2009-06-15 52

问题 More than one million Americans participated in the six-year study.
Most of the participants slept for 7 hours a night during the study.

选项 A、Right
B、Wrong
C、Not mentioned

答案C

解析

转载请注明原文地址:https://kaotiyun.com/show/Re1d777K

职称英语卫生类B级

相关试题推荐

随机试题

最新回复(0)