Under pressure from animal welfare groups, two national science teachers associations have adopted guidelines that ban classroom experiments harming animals. The National Association of Biology Teachers and the National Science Teachers Association hope to end animal abuse in elementary and secondary schools and, in turn, discourage students from mishandling animals in home experiments and science fair projects.
Animal welfare groups are apparently most concerned with high school students experimenting with animals in extracurricular projects. Barbara Orlans, President of the Scientists’ Center for Animal Welfare, said that students have been performing surgery at random, testing known poisonous substances, and running other pathology experiments on animals without even knowing normal physiology.
At one science fair, a student cut off the leg and tail of a lizard to demonstrate that only the tail can regenerate, she said. In another case, a student bound spa
A. Science Teachers to Ban Testing Harmful to Animals
B. Teachers’ Policy Change in Experiment on Animals
C. The New Policies of Banning Harmful Experiments to Animals
D. The Importance of Prohibiting Harmful Experiments on Animals
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Natural
Medicine{{/B}} Since earliest days, humans have used some kinds of medicines. We know this because humans have survived. Ancient treatments for injury and disease were successful enough to keep humans from dying out completely. They were successful long before the time of modern medicine. Before the time of doctors with white coats and shiny (发亮的) instruments. Before the time of big hospitals with strange and wonderful equipment. Many parts of the world still do not have university-educated doctors. Nor do they have expensive hospitals. Yet injuries are treated. And diseases are often cured, how By ancient methods. By medicines that might seem mysterious, even magical (有魔力的). Traditional medicines are neither mysterious nor magical, however. Through the centuri A. Many big and modem hospitals are expensive. B. Modem medicines are now available all over the world. C. Traditional medicines are neither mysterious nor magical. D. Humans have used some kinds of medicines since earliest days. [单选题]控制盘和低压配电盘、配电箱、电源干线上的工作应填用（ ）工作票。
A.A.第一种 B.B.第二种 C.C.带电作业 D.D.电力电缆第二种 [填空题]客户向中国联通租用的通信设备，由中国联通负责维护，按规定收取设备租费。具有快速部署、灵活机动、节省费用、（）等特性。
[单项选择]关于腺泡，正确的是
A. 腺泡的细胞分三种：浆液性细胞、黏液性细胞和混合性细胞 B. 浆液性细胞中含黏原颗粒 C. 混合性腺泡中的黏液细胞以半月板的形式覆盖于腺泡的盲端 D. 浆液性腺泡的分泌物较黏稠 E. 黏液性腺泡的分泌物中酶成分较少 [单项选择]烧伤病人易出现（）。
A. 小颌畸形 B. 声带结节 C. 颞下颌关节强直 D. 气管受压软化 E. 呼吸道水肿 [单选题]不属于腺垂体的结构是（ ）
A.嗜酸性细胞 B.嫌色细胞 C.嗜碱性细胞 D.丰富的血窦 E.赫令体 [多选题]任何单位和个人发现有犯罪事实或者犯罪嫌疑人，有权利也有义务向（ ）报案或者举报。
A.人民法院 B.人民检察院 C.公安机关 D.以上都是 [单选题]在华为AR路由器上,将接口Eth2/0/3配置为本地观察端口的命令是?
A.observe-port interface Etherenet2/0/3 B.mirror-port interface Ethernet2/0/3 C.monitor-port interface Ethernet2/0/3 D.server-port interface Ethernet2/0/3 [单选题]征信机构对个人不良信息的保存期限，自不良行为或者事件终止之日起为（）年；超过（）年的，应当予以删除。
A.2 B.5 C.7 D.10 [判断题] 井点系统排水时,地下水下降深度约为4~5m。()
A.正确 B.错误 [单选题]0．5，1，2，5，17，107，（ ）
A.1947 B.1945 C.1943 D.1941 [单项选择]按照目前我国土地登记制度规定，属于国有土地的，核发（）。
A. 《国有土地所有证》 B. 《国有土地使用证》 C. 《集体土地所有证》 D. 《集体土地使用证》 [单选题] 1945年8月国共两党重庆谈判,签订的协议是( )。
A.《双十协定》 B.《停战协定》 C.《共同纲领》 [多选题]'支付宝'代扣信息在boss系统中可通过（）查询。
A.欠费查询 B.统一查询 C.交易记录 D.托收信息查询 [判断题] 电气主接线主要是指在发电厂、变电所、电力系统中,为满足预定的功率传送和运行等要求而设计的、表明高压电气设备之间相互连接关系的传送电能的电路
A.正确 B.错误 [单项选择]______ you like a cup of tea
[单选题]《国家电网公司关于印发“深化基建队伍改革、强化施工安全管理”有关配套政策的通知》规定，组塔、架线作业层班组的骨干人员必须满足最低配置标准，组塔作业层骨干包括班长兼指挥、（）和技术兼质检员。
A.技术员 B.资料员 C.质检员 D.安全员 E.略 F.略 [单选题]旅客持失效车票乘车时，除按规定补票，核收手续费外，铁路运输企业有权对其身份进行登记，并须加收已乘区间应补票价（ ）的票款，核收手续费。
A.0.2 B.0.3 C.0.4 D.0.5 [不定项选择题]共用题干
Working Mothers
Carefully conducted researches that have followed the children of working mothers have not been able to show any long-term problems,compared with children whose mothers stayed at home.My personal______(1)is that mothers should be allowed to work if they wish. Whether we like it or not,there are a______(2) of mothers who just have to work.There are those who have invested such a big part of their lives in establishing a career that they cannot______(3) see it lost.Then there are many who must work out of pure economic______(4).Many mothers are not______(5) out to be full-time parents.After a few months at home with a much loved infant,they feel trapped and isolated. There are a number of options when it______(6) to choosing childcare.These range from child minders and nannies through to Granny or the kind lady______(7) the street.______(8) ,howev-er,many parents don't have any choice；they have to accept anything they can get.Be pre-pared!No______(9) how good the childcare may be,some children are going to protest wildly if they are left.This is a______(10) normal stage of child development.Babies separate well in the first six months,but soon after that they start to get a crush on Mum and close family______(11).Make sure that in the first week you allow______(12) time to help your child settle in. All children are different.Some are independent,while others are more______(13) to their mothers.Remember that if you want to______(14) the best for your children,it's not the quantity of time you spend with them,it's the______(15) that matters. 13._________ A.used B.attached C.keen D.fond [单项选择]以下哪项不是青春期的发育特点
A. 淋巴系统发育迅速 B. 生殖系统发育迅速 C. 体格发育迅速 D. 一过性甲状腺肿 E. 心理失调多见 [多选题] 生脉散的功用是
A.益气生津 B.养阴清热 C.涩肠固脱 D.敛阴止汗 E.养肺益胃 F.补气升阳 [判断题]高频开关电源系统中的直流配电柜能满足两组蓄电池并组均充、浮充及放电。（ ）
A.正确 B.错误 [单项选择]与牙周炎关系密切的全身因素是（）
A. 白细胞数目略增高 B. 白细胞趋化功能缺陷 C. 单核细胞数目略增高 D. 转氨酶水平升高 E. 血压不稳定 [单项选择]下列对中标通知书相关情况的描述，不正确的是( )。
A. 中标通知书的发出时间不得超过投标有效期的时效范围 B. 中标人确定后，招标人应当向中标人发出中标通知书，无须将中标结果通知所有未中标的投标人 C. 中标通知书可以载明提交履约担保等投标人需注意或完善的事项 D. 中标通知书需要载明签订合同的时间和地点 [单项选择]熔点低、耐磨和减磨性能好、耐蚀性高、抗X射线和γ射线穿透能力强、塑性好、强度低。这种特性的有色金属为（）。
A. 铝及其合金 B. 铜及其合金 C. 钛及其合金 D. 铅及其合金 [判断题]B类火灾是液体或可熔化固体物质火灾
A.正确 B.错误 [单选题]帧中继用户数据包括控制字段和信息字段，其长度是可变的，信息字段的内容应由整数个（）比特组构成。
A.4 B.8 C.16 D.32 [多项选择]下列关于投标报价表填写的说法正确的是（）。
A. 未写入招标文件工程量清单中但必须发生的工程项目，投标人可根据具体情况增加在招标文件工程量清单的最下行 B. 工程量清单中的工程单价是完成工程量清单中一个质量合格的规定计量单位项目所需的直接费、施工管理费、企业利润和税金 C. 投标总价应按工程项目总价表合计金额填写 D. 分类分项工程量清单计价表中应填写相应项目的单价和合价 E. 零星工作项目清单计价表应填写相应项目单价和合价 [单选题] 关于低压触电事故的处理不妥的是( )。
A.若触电地点附近有电源开关或电源插头,可立即断开开关或拔下插头 B.若触电地点附近没有电源开关或电源插头,可用有绝缘柄的电工钳或有干燥木柄的刀斧切断电源 C.当电线搭落在触电者身上或压在身下时,可以用干燥的或绝缘的物件拉开触电者或挑开电线 D.若触电者衣服是带电的,救护人不得接触触电者的皮肤,可抓他的鞋子,使其脱离电源 [单选题]桥隧大修设计文件中预算中不包括（）。
A.预算汇总表 B.单项工程预算表 C.材料数量 D.施工方法 我来回答: 提交
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