【单选题】What does Mia want to do instead of going to the audition?
A.
She wants to find a different job.
B.
She wants to go back to school.
C.
She wants to go on vacation.
D.
She wants to keep studying acting.
【单选题】有三个域D1、D2与D3,其中D1的元素个数为5,D2的元素个数为6,D3的元素个数为4。那么D1×D2×D3的基数有()个。
【多选题】任何物质资料生产过程都必须具备的基本要素有( )。
【简答题】呼吸节律的基本中枢位于 ,呼吸调整中枢位于 。