2020-2021学年七年级下册生物苏教版同步课时作业（5）人体的消化与吸收
※题型：单选题※知识点：单选题※试题难度：较易<br>“吃饱”的感觉是因为下述哪个器官中有较多的食物( )<br>A.胃 B.小肠 C.大肠 D.肝<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c5fef59f5d9846568f56aa02788ad532/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/428d22f1a1084216af08791df23780a8/0AB609B0BD34E1CB97AB8529BAAF8DE9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>在人体的消化系统中,最大的消化腺是( )<br>A.肝脏 B.胰腺 C.唾液腺 D.肠腺<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/24ad96b0e6164cf7872725b2ff4bb026/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>在消化道内可被吸收的糖类物质是( )<br>A.淀粉 B.麦芽糖 C.葡萄糖 D.蔗糖<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/69d1b34521da41eb88ea74b8b4cbb385/B01B9AD1709CC523F9D63862305777A8.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/481742f3ecb248d0838b0e9f5f2caaf4/9F13E86DE44AB8DA49E0427F18375D3B.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>人体吸收营养物质的主要器官是( )<br>A.口腔 B.食道 C.胃 D.小肠<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/65e27dbf32194d19953aaf7384b1a0c8/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/c8dfb36b5000478ea18b3a05c0aa7762/404C6B28033E65F6807DBDB104773273.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列结构与小肠的吸收功能无适应关系的是( )<br>A.小肠内有肠腺,能分泌多种消化酶<br>B.小肠黏膜有皱襞和绒毛<br>C.小肠绒毛壁仅由一层上皮细胞构成<br>D.小肠绒毛内有毛细血管和毛细淋巴管<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/93595f0232d44fca97160706e923a3c6/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/41dfa557f99f4b4a9ce0974f590986cf/5D4A554FF25451675559B320394260D5.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>如图为人体消化系统组成示意图。<br>请据图<br>回答:<br><img src="https://picture2.zhihuicn.com/testImage/2/2020/12/21/684FF90390103AF5EC65897221ADF9DA.png"><br>1.细嚼米饭一会儿,感觉有点甜,这是因为[](填序号和结构名称)中的唾液腺分泌的消化液,将米饭中的部分淀粉分解成了葡萄糖。<br>2.位于人体消化道壁外的消化腺有(填序号)。<br>3.水是生命之源。人体能吸收水的结构有(填序号)。<br>4.某人患急性阑尾炎,需开刀切除的器官是[](填序号)。<br>5.消化和吸收的主要场所是[⑧](填结构名称)。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/aa1b5f8a280641ec81e064fce46aa14b/A9F5B01AAC02C51D463159B7C2518F2C.png"><br>解析<br>略<br>
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