比18少1的数是19。[ ]
错误
It is four o'clock.Oh, ____ play football. [ ]
A. it's time for
B. it's time to have
C. it's time
D. it's time to
眉毛的外l/3稀疏或脱落应考虑有下列哪些可能()
A.粘液性水肿
B.垂体前叶功能减低症
C.麻风病
D.肢端肥大症
E.糖尿病