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Obesity is defined as body weight of 15 percent or more above the ideal for one’s height and age. (...A. who B. whom C. whose D. that
Although obesity may sound like a (n) (69) phenomenon, it is to some degree (70) relative. A study of black and white undergraduates yielded (71) results. Even though blacks, and especially black females, were heavier than whites, they were more satisfied with their weight and less likely to find weight in other people (72) Men were more concerned (73) the weight of their dates than women were, but black men were (74) likely to refuse to date a woman because of her weight.
Contemporary North American culture is (75) with thinness, particularly for women. Compared to the Rubenesque view of beauty of just a few centuries ago, the prototypes of feminine beauty (76) in the mass media today look emaciated, that is, extremely thin. The standards have even changed (77) since the 1950s, when the prototype was replete with large breasts and slightly protruding abdomen. A study of Playboy centerfolds found a ten percent decrease in the ratio of weight to height from the late 1950s to the late 1970s, (78) by a dramatic increase in the number of articles on dieting in popular women’s magazines. In (79) to contemporary Western societies, some other cultures (80) beauty with bulk. This most often occurs in societies in which food is scarce, (81) women who are healthy and have more resources tend to be heavier and hence are seen as more attractive.
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下列离子在酸性溶液中能够稳定存在的是( )。
A . S2O32-;B . S22-;C . SnS32-;D . BrO3-。
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在Re2Cl92-中Re的氧化数是（）。在HS3O10中S的氧化数是（）。
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GPS最少用几颗卫星给飞机定位（）
A.3
B.4
C.5
D.6
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男，44岁，间断性背部疼痛1月余，结合影像学检查，最可能的诊断是()https://assets.asklib.com/psource/2014052716330186321.jpg
A . A．脊髓空洞症
B . B．L4/5椎间孔狭窄
C . C．脊膜瘤
D . D．强直性脊柱炎
E . E．脊柱结核
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放疗时出现口腔粘膜反应，可用（）漱口。
A.0.02%呋喃西林B.0.2%洗必泰C.朵贝尔氏液D.1.5%双氧水
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如需控制机器人的速度为缓慢，需在仿真菜单中设定的值为50%（）
A.TCP跟踪
B.仿真速度
C.TCP加速度
D.手腕奇异点
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施工升降机主要由金属结构、驱动机构、安全保护装置和()等部分组成。
A.液压控制系统
B.推进系统
C.电气控制系统
D.拼装系统
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增加哪类维生素能作为亚硝酸化合物的阻断剂（）
A . A.维生素A
B . B.维生素B
C . C.维生素C
D . D.维生素D
E . E.维生素E
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严重碘过敏反应在抢救中首先是：()
A.心肺复苏B.B.付肾素使用D.输液E.
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Chris Evert’s husband is from（）
A．England
B．France
C．the U.S.
D．Australia
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为避免放射免疫分析所使用的计数器受到外来放射性物质的污染而影响所分析的结果，所以每日应执行下列哪项工作（）
A.检测计数器的背景值
B.检测器的保养擦拭
C.校正计数器计数效率
D.对计数器执行擦拭实验
E.对作业环境进行辐射侦测
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基尔霍夫定律即适用于线性电路，也适用于含非线性元件的电路。()
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环境空气质量自动监测子站主要是由采样装置、（）、校准设备、气象仪器、数据传输设备、子站计算机或数据采集仪以及站房环境条件保证设施（空调、除湿设备、稳压电源等）等组成。
A.数据传输设备
B.采样装置
C.校准设备
D.监测分析仪
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山羊在出生5分钟内就必须与母山羊建立联系，否则，再回到母山羊身边就要受到攻击。这种现象充分说明了物种具有（）
A.敏感期 B.关键期 C.生存本能 D.社会智力
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