七年级生物下册4.8.2食物的消化和营养物质的吸收练习2(新版)北师大版.doc

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1食物的消化和营养物质的吸收同步练习1、能分泌胆汁的器官是:( )A、唾液腺 B、胆囊C、肝脏 D、胰腺2、判断:胆汁胰液都注入小肠。( )3、判断:消化腺所分泌的消化液由血液进入消化管。( ) 4、一位同学吃西瓜时将一粒瓜子咽了下去,下列哪项是它的施行路线( )A、口腔食管胃大肠小肠肛门B、口腔胃食管小肠大肠肛门C、口腔大肠胃食管小肠肛门D 、口腔食管胃小肠大肠 肛门5、人体有时出现反酸胃痛的现象,是因为( )A、唾液分泌过多 B、唾液分泌过少C、胃液分泌过多 D、胃液分泌过少6、人体内最大的消化腺( )A、胆囊 B、肝脏C、唾液腺 D、胰腺7、消化系统中不与食物接触的消化器官是( )A、胃 B、小肠C、食管 D、肝脏8、下列不属于消化管的结构是:( )A、食管 B、唾液腺C、胃 D、大肠9、消化管始于 ,终止于 。10、消化腺包括 、 、 、 和 。参考答案1、B 2、对 3、错4、D 5、C 6、B7、B 8、B9、口腔 肛门10、唾液腺 胰腺 肝脏 胃腺 肠腺2

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