（10）人类重要的营养物质——2021-2022学年九年级下册化学人教版课后天天练
※题型：单选题※知识点：单选题※试题难度：中等<br>下列几种物质中,其重要成分不属于人体所需基本营养素的是( )<br>A.白糖 B.白面 C.白酒 D.白开水<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2018/6e980f5003874a26b8ee70eefb78fd9e/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2018/3ca9510eed2742eea2034a0bf23c789b/99C7B864137B20DAEA34F626D9581BB4.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列有关葡萄糖的说法错误的是( )<br>A.油脂和葡萄糖都易溶于水<br>B.葡萄糖、淀粉和纤维素都属于糖类<br>C.给低血糖的病人补充葡萄糖以缓解乏力、眩晕等症状<br>D.葡萄糖在人体内缓慢氧化为二氧化碳和水并释放出能量<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/ed70acee3e094e8d8992f37786f675d4/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/827a28710bea4636a76c581db015ae66/5BE413C142FA0899A8AEA33CFB5B1500.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>油脂的获得主要来自于( )<br>A.豆类、肉类、奶类制品<br>B.猪、牛、羊的油,花生油,豆油<br>C.粮食作物、豆类、植物的根茎<br>D.蔬菜、水果及植物种子<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/84500fba7abb4215961a83df68466539/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/1109f350fcd44550a75d496f70c4d772/C4A090DBADE526913FA5DD179B8D4EC6.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>生活习惯直接影响人体健康,小明同学一家人的下列饮食习惯科学合理的是( )<br>A.小明长期偏食“洋快餐”<br>B.奶奶不忍浪费,即使食物霉变仍然食用<br>C.妈妈为了保持身材,只吃蔬菜和水果<br>D.爸爸喜爱运动,大通出汗后常饮用含无机盐的饮料<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2019/a4101c1c592a48d18f4e312fdd4c160c/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2019/fb1dd32a9afe492b8034bb755b3f2871/D753D95309C711625C078B4F0F4E4A50.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>食品安全是人类健康永恒的话题,下列说法正确的是( )<br>A.用甲醛水溶液浸泡海产品,延长保鲜时间<br>B.用SO<sub>2</sub>熏蒸红薯粉丝,使它的色泽变白<br>C.霉变的大米用水清洗后可以食用<br>D.烹调食物时不能用亚硝酸钠代替食盐<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2018/ff3280b316604fe1a8804787e612a1b7/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2018/cc23cb719a884754b44ebae8b72ddb28/B0D947F5747875EE23FB3F2194DCB654.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某品牌牛奶的营养成分如下表所示,对1盒250mL的牛奶,叙述正确的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/BC0985AA614CDE42BE5D55774095FF27.png"><br>A.碳水化合物提供的能量为288<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/3AA80A8FC1B4A52EE1A27A76ABEFAEC8.png"><br>。<br>B.维生素D有助于骨骼和牙齿的生长发育<br>C.含Ca单质的质量为128<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/B8CAEF2B08F709AE3EA996B40431BDFF.png"><br>D.蛋白质在人体内仅转化为<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/D350503FAEB172B50F09D85EB5C5B0A3.png"><br>排出体外<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/f02a2e6a87b04fecb1cbef62c1dfc4be/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/125b3b0672364182b81cf23ed09dfe32/C6D643A6C4BBB0E3127C0E58DD892BDE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>某成年人长期不吃瘦肉、鱼、蛋等食物,结果出现脸色苍白、头晕等症状。该成年人缺少的营养素最可能是( )<br>A.糖类 B.油脂 C.无机盐 D.蛋白质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/62df4d565cd04cabb3ad39818fa4229b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：填空题※知识点：填空题※试题难度：较易<br>人类为了维持生命和健康,必须摄取食物,以获得营养。<br>1.六大基本营养素包括、糖类、油脂、维生素、无机盐和水2.葡萄糖(<img src="https://picture2.zhihuicn.com/testImage/2/2020/1/9/D9C8A325A40FCE65D56382110E504339.png"><br>)由(填数字)种元素组成。3.葡萄糖中碳元素的质量分数为。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/5/2020/828047a42ba2498a993d150cf9f30bca/8C7551392178DB973E972863B413F521.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/5/2020/ade2508967fd44d6b3ef8695d169b96e/CFD23F349647B9519BAB946CC3EA9029.png"><br><br>
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