若全集M=1,2,3,4,5,N=2,4,则().
A.
B.1,3,5
C.2,4
D.1,2,3,4,5
参考答案:B
解析:
∵M={1,2,3,4,5},则故选B.
In fact fuels we burn and plant food we eat ______ their chemical energy in the form of heat.
A.give in
B.give off
C.give away
D.give up
“中焦如沤”所描述的功能特点是
A.胃的腐熟功能
B.脾的运化功能
C.小肠受盛化物的功能
D.脾运化水谷的功能和胃腐熟水谷功能的概括
E.脾的升清功能