A. goes swimming B. watches TV C. plays football
D. rides a bike E. has Music
Li Hua's Weekend(周末)
Morning
Afternoon
Saturday
⒈ ____
⒉ ____
Sunday
⒊ ____
⒋ ____
导致人类发生镰刀型贫血症的最根本原因是( )
盐城张老汉是个普通农民,1978年以后他所种的粮食可以这样分配( )
正常情况下,肾小球的出球小动脉比入球小动脉血液中大分子物质浓度( )