润泽脑髓和骨关节的是()
A.精
B.气
C.血
D.津
E.液
参考答案:E
小肠的主要生理功能是()。
A.主运化
B.主通调水道
C.主受纳
D.主腐熟水谷
E.主泌别清浊
They will try their best in the Dragon Boat Racing ________ they may fail.[ ]
A.if
B.although
C.unless
D.until