admins 发表于 2021-8-18 22:11:31

2012-2013学年度湖北省十堰市七年级下学期期末调研考试生物试卷(带解析)

※题型:单选题※知识点:单选题※试题难度:容易<br>下列关于现代类人猿与人类区别的叙述,不正确的是()<br><tbody><br>A.都有着共同的祖先<br>B.都能够借助和使用工具<br>C.制造工具的能力不同<br>D.生殖方式不同<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/46987559D760C1709032D3B098E8BDBF.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>女性体内产生卵细胞及胎儿发育的场所依次是(&nbsp;&nbsp;&nbsp;&nbsp;)<br><tbody><br>A.子宫、阴道<br>B.卵巢、子宫<br>C.阴道、子宫<br>D.输卵管、子宫<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/E7D3E85673EFE9CB95D8D96898399586.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/116612028E1169F226B666E83C9D4F23.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>下表中A、B、C、D表示四种消化液的功能,其中唾液是<br><tbody><br>消化液<br>A<br>B<br>C<br>D<br>消化淀粉<br>能<br>能<br>不能<br>不能<br>消化蛋白质<br>不能<br>能<br>初步消化<br>不能<br>消化脂肪&nbsp;<br>不能<br>与适量的D配台,可对脂肪进行消化<br>不能<br>乳化脂肪<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/8B0030C365994090B8FC9AF4C183A80B.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/B050EA9CC3897EE1D9B846B8525D60F0.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>下列营养物质中,能为人体提供能量,但必须经过消化后才能被人体吸收利用的一组是()<br><tbody><br>A.维生素、无机盐、水<br>B.脂肪、维生素、糖类<br>C.脂肪、蛋白质、糖类<br>D.蛋白质、无机盐、水<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/88597EDE97BC549852C5A98BD4E705D1.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>绿色食品是指()<br><tbody><br>A.绿颜色的食品<br>B.带有QS标识的食品<br>C.不使用任何农药、化肥的食品<br>D.无污染、安全、优质的食品<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/4250997D5EC0B4881E4279B5548F3A1A.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>人体的呼吸道不具有的功能是()<br><tbody><br>A.温暖空气<br>B.清洁空气<br>C.湿润空气<br>D.进行气体交换<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/59421502D205D59DEC1F42A7C692F615.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>人体通过呼吸作用吸入体内的氧气最终去向是(&nbsp;&nbsp;&nbsp;&nbsp;)<br><tbody><br>A.到达肺<br>B.进入人体的血液<br>C.构成细胞的一部分<br>D.组织细胞<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/0437BE5BF0F9305B2319292C6C122618.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>赵华同学体育中考时测了三次肺活量,三次测量的值为:2800ml、3000ml和3500ml,请问小明的肺活量是多少(&nbsp;&nbsp;&nbsp;&nbsp;)<br><tbody><br>A.3500ml<br>B.2800ml<br>C.3100ml<br>D.3000ml<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/8B0030C365994090B8FC9AF4C183A80B.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/FD8E734AD622A6011C404F4B886E97E4.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>用显微镜观察血涂片时,经染色后,可以看见有细胞核,数量较少的细胞是()<br><tbody><br>A.红细胞<br>B.血小板<br>C.白细胞<br>D.无法确定<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/74B64B86DE51C02FDA28C2859FA39FE0.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>右图为某同学用丝带扎紧上臂的示简图。发现丝带下方(近手指端)的血管①膨胀,血管②变扁;丝带上方的血管③膨胀,血管④变扁。下列有关叙述中,正确的是&nbsp;&nbsp;(&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;)<br><imgsrc="https://picture1.zhihuicn.com/2/CF84AE5D6A382012C0BC961429DE367B.jpg"><br>style="vertical-align:middle;VERTICAL-ALIGN:middle;"><br><tbody><br>A.血管①、④是动脉<br>B.血管②、③是静脉<br>C.血管①中血液的含氧量比血管③低<br>D.血管④中血液的含氧量比血管②高<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/2EE25771478275C3AE27DE54AE0C54A6.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>临床上医生会根据受血者的病情不同有针对性的输血,对于严重贫血者所输入的血一般成分应该是()<br><tbody><br>A.红细胞<br>B.血浆<br>C.血小板<br>D.全血<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/8B0030C365994090B8FC9AF4C183A80B.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/71DD19E37E9497E9FCEBB6A2EDD64A05.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>我们喝进体内的水分经吸收后绝大部分会随尿液排出,但有部分水不一定经过下列哪个器官(&nbsp;&nbsp;)<br><tbody><br>A.心脏<br>B.肺静脉<br>C.肾动脉<br>D.肾静脉<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/F2C4ACDCF27D625138CD7D57637E79E7.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>对取自一个正常人体内的血浆、原尿和尿液中四种物质浓度进行比较,错误的是(&nbsp;&nbsp;)<br><tbody><br>A.蛋白质:血浆=原尿<br>B.尿素:原尿&lt;尿液<br>C.无机盐:血浆=原尿<br>D.葡萄糖:原尿&gt;尿液<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/8B0030C365994090B8FC9AF4C183A80B.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/195B4E5FD78F6350D7180C80F5AC8289.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下图为某同学视力状况和所配带眼镜示意图.下列哪组描述适合该同学(&nbsp;&nbsp;)<br><imgsrc="https://picture1.zhihuicn.com/2/44B5DFD6DB6212F5E5A19E2015ACD932.jpg"><br>style="vertical-align:middle;VERTICAL-ALIGN:middle;"><br><tbody><br>A.近视眼,凸透镜<br>B.近视眼,凹透镜<br>C.远视眼,凸透镜<br>D.远视眼,凹透镜<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/E7D3E85673EFE9CB95D8D96898399586.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/F638AAC1FEE7C1CBEB415547A257BF93.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>神经系统的结构和功能的基本单位是()<br><tbody><br>A.神经纤维<br>B.反射弧<br>C.神经元<br>D.大脑皮层<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/5E5505143E8C54A1150B4D659ED3E696.png"><br><br>※题型:单选题※知识点:单选题※试题难度:容易<br>下列哪项属于简单的反射活动()<br><tbody><br>A.知无不言<br>B.老马识途<br>C.望梅止渴<br>D.膝跳反射<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7039B1414292C98C4C0586321B67CF33.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/0F42B47DD6C77E5F07EEE312E72C8626.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>对于年幼的侏儒症患者,若要增加其身高,临床上可以采取下列哪种方式()<br><tbody><br>A.注射适量的胰岛素<br>B.多吃含碘的食物<br>C.注射适量的生长激素<br>D.通过生物技术改变遗传基因<br></tbody><br><br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/924B3E38A9B17011DDBB929C9A570330.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C950474184E3E069381C6F1483CB4311.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>人类新个体的产生要经历由<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>细胞结合,通过<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>发育形成新个体的过程,这一过程要靠<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>系统完成。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/7D6DC99D6D778605A861DF37C5EC5EE8.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/CB3B909FA77AFCB40B315ECC86431DBC.png"><br><br>※题型:读图填空题※知识点:读图填空题※试题难度:容易<br>病人不能正常进食时,往往需要点滴<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;液,这是因为它能为人体提供能量。贮存在人体内的脂肪也是供能物质,只不过,一般是人体的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>能源物质。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/6BE804AF2DA4F8CC26D6398B7B25E456.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/F9A3FA9FBC10F6747224113FC3C4ACFF.png"><br><br>※题型:读图填空题※知识点:读图填空题※试题难度:容易<br>维生素A只存在于<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>食物中,缺乏时易患<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;症。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/DA94F475D46C3FD01304F780DDA47FDC.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/F7A319E2C43948F91BE5515BBD3B43AE.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>当你降生到这个世界时,你的第一声啼哭就标志着开始从空气中获取<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;,并排出<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/1CBD2F3445B0150BD227902B8C6CE9E5.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/159A60C693AECF2A8F39560588E957C4.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>心脏是血液循环的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>,主要由发达的肌肉组织构成,推动血液在<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;里循环流动。心脏四个腔,心房与心室间的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>只能朝向<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;开,心室与动脉间的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>只能朝向<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;开,四肢静脉里含有防止血液倒流的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/57B41F22554979D6B8EFCD1901F01390.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/61B665443DE123D1856D8FF770566C2B.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>人体排尿的意义在于不仅起到排出<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;的作用而且调节了人体内<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br>和<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>的平衡,维持了组织细胞的正常生理功能。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/EC8E2D67024FA86928FD0115B8DD05BB.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/1620AC96857F167A647C2A3FC2F8DF32.png"><br><br>※题型:实验题※知识点:实验题※试题难度:中等<br>下图表示食物通过人体消化道时淀粉,蛋白质,脂肪被消化的过程,字母代表组成消化道的各器官的排列顺序。据图回答:<br><imgsrc="https://picture1.zhihuicn.com/2/53AAF0D7563BB54EEF5AA292189AD29A.jpg"><br>style="vertical-align:middle;VERTICAL-ALIGN:middle;"><br>(1)曲线甲是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>消化,乙是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>的消化,丙是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>的消化。<br>字母C代表的器官是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>(3)蛋白质在<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;和<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>中被消化,其消化产物是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>(4)从曲线看出,食物的消化始于<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;,完成于<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/E08EFD58C759287EEE82FE1612E12268.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/C628D0C39952DCD611596A39F66CF41C.png"><br><br>※题型:实验题※知识点:实验题※试题难度:中等<br>请根据下图所示人体各系统及其生理过程回答下列问题。<br><imgsrc="https://picture1.zhihuicn.com/2/D08CAEC90F419115317192C6BB5F838C.jpg"><br>style="vertical-align:middle;VERTICAL-ALIGN:middle;">&nbsp;<br>(I)B系统所示应为人体的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>系统。粪便经此排出,在生物学上称为<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>(2)F的形成主要包括<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>和<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>两个生理过程<br>若发现F中含有红细胞和蛋白质,则可能是<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;处发生了病变。<br>(3)与C<sub>1</sub>相比,C<sub>2</sub>中的<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>气体增多。<br>(4)D<sub>1</sub>和D<sub>2</sub>所示的过程是表示<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>和<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>间的气体交换,经此过程后血液的成分发生了变化,由<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;血转变成了<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;血。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/B280EBFEAA55ECC97D21C90BC2FF6B4D.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/79F91F8647EFAE8EA4FEF874F4FD69F4.png"><br><br>※题型:判断题※知识点:判断题※试题难度:容易<br>人的一生中身高发育和智力发展的黄金时期是青春期。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/DC6AA8F977A6AD0E087A133DBB9CCB84.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/17E399B73EF6047DE768A6DB95C6ECFC.png"><br><br>※题型:判断题※知识点:判断题※试题难度:容易<br>动物肝脏是预防夜盲症和佝偻病的重要食物。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/DC6AA8F977A6AD0E087A133DBB9CCB84.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/E06A235BA652BCC5277F09EEEBC5D449.png"><br><br>※题型:判断题※知识点:判断题※试题难度:较易<br>“十堰地区日前没有发现三百万年前的古人类化石”的说法属于观点<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/64F190BD40D5AC2FF6BD1D2E39936A16.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/0A78A44CBC8CDAA1870F6A84C94BC378.png"><br><br>※题型:解答题※知识点:解答题※试题难度:中等<br>人体血液循环系统中,动脉内也存在瓣膜.______.<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/192F44A4996E256CB48417A50EF51F00.png"><br>解析<br>略<br>※题型:判断题※知识点:判断题※试题难度:容易<br>人的手臂上一条条的“青筋”不是血管,而是神经。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/64F190BD40D5AC2FF6BD1D2E39936A16.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/5A11FBC8D84C039F07AC9F23C955DF02.png"><br><br>※题型:解答题※知识点:解答题※试题难度:中等<br>人体排出二氧化碳也属于排泄.______.<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/F08E86E1C3577B729F908EF3B50777E4.png"><br>解析<br>略<br>※题型:解答题※知识点:解答题※试题难度:中等<br>角膜的调节作用可以使物像准确的落在视网膜上.______.<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/0721C2EAB99CB7865A25CA6B09FFCCE3.png"><br>解析<br>略<br>※题型:解答题※知识点:解答题※试题难度:中等<br>幼年时甲状腺激素分泌不足,也可能导致身材矮小.______.<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/70C7AEB45ED6275CE4BA262B2B90F874.png"><br>解析<br>略<br>※题型:判断题※知识点:判断题※试题难度:中等<br>经过肾脏的血液中不再含有尿素等废物。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/64F190BD40D5AC2FF6BD1D2E39936A16.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/E211350507AE15C716A1CF3A630D65D2.png"><br><br>※题型:解答题※知识点:解答题※试题难度:中等<br>环境污染越来越严重,人类无能为力去改善已污染的环境.______.<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/D4CA816735FEE600ED98E60B8B409676.png"><br>解析<br>略<br>※题型:探究题※知识点:探究题※试题难度:中等<br>探究实验题(共12分)<br>下面是某台作小组的同学探究“甲状腺激素对蝌蚪生长发育的影响”的实验过程。<br>①取两个玻璃缸,分别标记A、B<br>傇贏缸中加入500ml池塘水.B缸中加入500ml白来水<br>冊贏、B两缸中分别加入等量的蝌蚪饲料<br>④在A、B两缸中分别加入同样的蝌蚪各一只<br>⑤在A缸中加入少量甲状腺激素制剂,B缸不加入<br>⑥保持A、B两缸水温22℃-25℃<br>⑦每天记录蝌蚪生长发育的情况。请回答:<br>住这个实验过程中,有两个环节不够严谨,请你指出来,井加以补充完善<br><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br><u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u><br>(2)第⑤步中,设置B缸的目的是什么?<u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>。<br>(3)如果实验如能按照你所修改的方案进行(假如甲状腺激素对蝌蚪生长发育的影响<br>不清楚)<br>实验结果预测及结论:<br><u>①&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>。<br>?u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>&nbsp;。<br>?u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</u>。<br>答案<br><img src="https://picture1.zhihuicn.com/Answer/2/9/E70B9B46BF68AF713D84F3CF4E5BDD76.png"><br>解析<br><img src="https://picture1.zhihuicn.com/Explain/2/9/2375CB7CAE359FE0992C0F7E3254227A.png"><br><br>
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