This hypothesis states that environments that are too clean may actually make the ______ system develop oversensitive responses.

admin2014-03-15  37

问题 This hypothesis states that environments that are too clean may actually make the ______ system develop oversensitive responses.

选项 A、mental
B、nervous
C、immune
D、physical

答案C

解析 mental心理的;nervous神经质的;immune免疫的;physical肉体的。
转载请注明原文地址:https://jikaoti.com/ti/7oOjFFFM
0

最新回复(0)