【多选题】蛋白质的营养学意义中,最重要的两项是( )。
【单选题】你想向外国朋友请教感恩节的信息,可以怎么说呢?
A.
Can you say something about the customs of Thanks-giving Day?
B.
Can you say something about the customs of the Teachers’ Day
C.
Can you say something about the customs of the Easter Day
【判断题】P坐标系和σ坐标系具有相同的物理约束。( )
【单选题】患有传染性肝炎的犬在其恢复期部分患犬眼睛出现角膜混浊现象,这种眼常称为()