-- do you go to the school Reading Club?
-- Every Saturday afternoon.
A:How often
B:How long
C:How many
D:How much
尿液与原尿的成分相似,主要差异是尿液中缺少( )
①不速之客____A.快速 B.招致 C.邀请
②绿茵茵 ____A.兴旺 B.垫子或褥子 C.绿油油的样子
③永驻人间____A.停留 B.驻扎 C.驻地