5的平方根是______,算术平方根是______.
5的平方根是±5,算术平方根是5.
—How are you today?
—Oh, I __________ as ill as I do now for a long time.
A.didn’t feel
B.haven’t felt
C.wasn’t feeling
D.don’t feel
VBA的逻辑值进行算术运算时,True值被当作______。
A.0
B.1
C.-1
D.不确定