生物七下期中考试试卷

_______℃左右温水中,5~10 min后取出,Р滴加碘液,________号试管中的物质遇碘后不变蓝,原因是_______________________________________________________________。Р郑州外国语中学2010-2011学年下学期Р七年级其中考试生物试卷Р答题卡Р一、选择题Р1Р2Р3Р4Р5Р6Р7Р8Р9Р10Р11Р12Р13Р14Р15Р16Р17Р18Р19Р20Р21Р22Р23Р24Р25Р26Р27Р28Р29Р30Р31Р32Р33Р34Р35Р36Р二、简答题Р1.(1)_____________,____________Р(2)______________,( )_____________ (3)____________Р2.(1)( )___________Р(2)______________ (3)____________, ____________Р3.(1)_____________Р(2)___________________________________________________Р(3)______________,_____________ Р(4)_________________Р4.(1)( )___________,_________Р(2) ______________Р(3) ( )_____________。____________ ,___________,__________Р座号Р5.(1)____________,____________________Р(2)_____________, _____________Р座号Р__________________________________________________________________