ERG的b波起源于()
A.无长突细胞
B.XZ极细胞
C.神经节细胞
D.视杆细胞
E.视神经
参考答案:B
— I’m thinking of the test tomorrow. I’m afraid I can’t pass this time.
— __________! I’m sure you’ll make it.
A.Take it easy
B.Never mind
C.Take your time
D.No problem
航班中途过站,乘务员应及时向相关人员说明旅客物品情况,以免()。