A:22
B:32
C:210
D:310
钟面5点零8分时,时针与分针的夹角是____ 度.
⑴Doing more exercise is good for health. ____
⑵I feel cold. I need to wear warm clothes. ____
⑶You should see a doctor when you are ill. ____
⑷If you are angry, you'd better take a deep breath and count to ten. ____
A.
B.
C.
D.
复数(3i-1)i的共轭复数是( )