The field of medicine has always attracted its share of quacks and charlatans—disreputable women and men with little or no medical knowledge who promise quick cures at cheap prices. The reasons why quackery thrives even in modem times are easy to find.
To begin with, pain seems to be a chronic human condition. A person whose body or mind hurts will often pay any amount of money for the promise of relief. Second, even the best medical treatment cannot cure all the ills that beset men and women. People who mistrust or dislike the truths that their physicians tell them often turn to more sympathetic ears.
Many people lack the training necessary to evaluate medical claims. Given the choice between (a) a reputable physician who says a cure for cancer will be long, expensive and may not work at all, and (b) a salesperson who says that several bottles of a secret formula "snake oil" will cure not only cancer but tuberculosis as well, some individuals will
A. Distrust of Physicians
B. Medical Treatment
C. Snake Oil Remedies
D. Guard Against Quackery
| Good teachers matter. This may seem
obvious to anyone who has a child in school or, for that matter, to anyone who
has been a child in school. For a long time, though, researchers couldn’t
actually prove that teaching talent was important. But new research finally
shows that teacher quality is a close cousin to student achievement: A great
teacher can cram one-and-a-half grades’ worth of learning into a single year,
while laggards are lucky to accomplish half that much. Yet, while we know now that better teachers are critical, flaws in the way that administrators select and retain them mean that schools don’t always hire the best. Failing to recognize the qualities that make teachers truly effective and to construct incentives to attract and retain more of these top performers has serious consequences. Higher salaries draw more w A. It’s always true that teachers’ quality is important. B. Salaries in school are higher than those in other industries. C. The average quality of the teachers in America is declining. D. Administrators have many effective ways to choose best teachers. [判断题] gNodeb出厂时存在一个缺省的SCTP参数模板
A.正确 B.错误 [单项选择]魏氏法血沉测定使用的抗凝剂是（）
A. 双草酸盐 B. 草酸钠 C. 乙二胺四乙酸钠 D. 草酸钾 E. 枸橼酸钠 [单选题]对消费完成后当日当批次的全额退货，采用( )处理
A.隔日退货 B.消费撤销 C.查询 D.预授权 [简答题]应答器有哪些基本功能？
[多项选择]QoS中，Differentiated Service与Integrated Service的主要区别是（）
A. Differentiated Service里，去往不同目的地的分组获得的服务是不同的 B. Differentiated Service里，来自不同信源的分组获得的服务是不同的 C. 在Differentiated Service无需为每个流维护状态信息 D. Differentiated Service适合于在大型骨干网络上应用 [单选题]张某借给李某10万元，约定李某将自己所有的房屋提供抵押担保。双方签订合同后，李某将房产证交给了张某，但没有办理抵押登记。还款期届满，李某无力偿还欠款，张某要求实现抵押权。该房屋没有任何第三入主张权利。则下列选项正确的是：()
A.张某享有抵押权，因为他已扣留了房产证 B.张某不享有抵押权，但可以请求办理抵押登记，获得登记后可主张实现抵押权 C.在该房屋上没有任何第三入主张权利的情况下，没有必要再办理抵押登记，张某可直接行使抵押权 D.抵押权不成立，但李某将房产证交给了张某，为张某设定了一项权利质权 [填空题]Make a bike move.
[填空题]机车、动车及各种车辆上方的接触网设备未停电并办理安全（ ） 前，禁止任何人员攀登到车顶或车辆装载的货物上。
[判断题]心肺复苏法畅通气道的方法是清除口中异物和打开气道。
A.正确 B.错误 [单项选择]在数据库管理系统的层次结构中，数据存取层处理的对象是( )。
A. 字段 B. 单个元组 C. 数据页 D. 系统缓冲区 [单选题]计算机网络的主要功能是()、 资源共享、 分布式处理。
A.数据安全 B.数据备份 C.数据存储 D.数据通信 [判断题]滑步用于接近目标或搜索行动时中长距离快速的位置调整。( )
A.正确 B.错误 [单项选择]乒乓球比赛中，对于规则和规程中的有关比赛管理问题所作出的决定，（）的决定为最后的决定。
A. 竞赛管理委员会 B. 裁判长 C. 规则委员会 D. 仲裁委员会 [填空题]
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