"5.15.2动物运动的形成第1课时2021-2022学年生物北师大版八年级上册随堂小测
"※题型：单选题※知识点：单选题※试题难度：中等<br>生命在于运动,哺乳动物的运动系统的主要组成部分是( )<br>A.关节、关节面、肌肉 B.骨、骨连结、骨骼肌<br>C.骨、关节头、肌肉 D.骨、关节面、关节窝<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/83772a2915b844e78f33cbb874a5bc01/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/628fdf929c4b4388b036ae8408b1cc53/518399A19552D4B0F2DDFBA69BAC45E1.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>终生具有造血功能的红骨髓存在于长骨的( )<br>A.骨膜中 B.骨密质中<br>C.骨松质的腔隙中 D.骨髓腔中<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/2c1ce45e03e1499da35c49601e27b365/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/4ace20cf668f4e6187725dad05919bfa/EA04B90E1BCEB7C76CF670DBF643CF67.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>长骨的管状结构,既坚固又轻便,适于人体的( )<br>A.营养吸收 B.运动支持 C.骨髓造血 D.生长发育<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/6c444ccceb1741b9b3ee887fb38cdc58/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/4213a0dba9e4493cb6c1dd2ee8a286c1/3751E5140C70786C40BA5ED463A17021.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>法医为判定一死者年龄,称取总量为9克的尸骨骨质,然后在酒精灯上充分煅烧到灰白色,再称其重量为7克。此骨是( )<br>A.儿童骨 B.青年人骨 C.成年人骨 D.老年人骨<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/5ef37b99c3cf4902abcda70f68a57c07/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/ef74ecb1777942df9695ef9fc70d056f/F432FD8989E8A599409FD9FB662B2541.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>骨的成分包括无机物和有机物,其中有机物主要是( )<br>A.脂肪 B.无机盐 C.淀粉 D.蛋白质<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2014/2458f28062b3469ea021e7cb4d7cf6f0/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2014/a77c4633e4c24ef8a7155da33ddcdd13/57A1EC3C3A51068339E415DD7CE686A7.png"><br><br>※题型：填空题※知识点：填空题※试题难度：中等<br>根据骨的成分回答以下问题。<br>1.骨是由和组成的。<br>2.下图表示人骨中某类物质在各年龄段含量的变化,这类物质是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/9/3/BED347F2B44EDEDEBCBD86C2D3579A69.png"><br>A.有机物<br>B.无机物<br>C.钙<br>D.骨髓<br>3.结合上图,在儿童和少年的骨中,有机物,无机物,骨的,因此要注意坐、立、行等姿势。(填入正确答案<br>的字母)<br>A.多于1/3B.少于1/3C.多于2/3D.少于2/3E.弹性大,硬度小,易变形F.弹性小,硬度大,易骨折<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/4c2da2219af94b449274c270f0c51f20/B9AB5C6BD2B0E8000988C7B73233809F.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/ea7c79fa806a4cb39be9f010a357e5e5/34B72CBBA8CF9E640802551A55A6BF2B.png"><br><br>
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