The loudest outcry about poverty seemed
to come in the wealthiest country by far in the world. According to most
calculations, {{U}} (67) {{/U}}most of that period the United States had
a standard of living well{{U}} (68) {{/U}}Europe’s and many times above
the world{{U}} (69) {{/U}}. Yet protests about grinding poverty, hunger,
and dreadful need{{U}} (70) {{/U}}more from the United States than from
countries with one-fortieth of their living{{U}} (71) {{/U}}. An annual
per capita income of about 500 dollars is{{U}} (72) {{/U}}of much of
Africa and Asia and not a little of South America. It would seem strange to
these people that American radicals demand a{{U}} (73) {{/U}}from an
American commitment to the far comers of the globe so that the money thus saved
can be spent{{U}} (74) {{/U}}the standard of living of{{U}} (75)
{{/U}}A A. pretend B. preside C. precede D. proceed [判断题]若燃油管路内混有空气,容易造成增压器喘振。( )启动困难
A.正确 B.错误 [单项选择]CZ15型照明消防车液压升降系统的水平转角可达( )。
A. 90° B. 180° C. 270° D. 360° [判断题]S700K型电动转辙机转辙机动作电流不大于2A(54Ω),道岔因故不能转换到位时,电流不大于3A。
A.正确 B.错误 [单项选择]()属于虚拟商品电子商务模式。
A. 网络购书 B. 电子期刊 C. 网络电影 D. 域名服务 [判断题]礼仪体现了一定的社会道德观念和风俗习惯,是沟通思想、联络感情、调节人际关系、开展各项社会活动的交际方式和手段。
[判断题]常温下烷烃的熔、沸点随碳原子数的增加而逐渐升高。
A.正确 B.错误 [多项选择]患者女,23岁,因“发热1周”来诊。2个月以来工作紧张,近1周发热、寒战,最高体温39℃,伴头痛、背痛、肌肉关节痛和全身不适、乏力、食欲减退。5年前患风湿热,2年前超声心动图发现左房室瓣狭窄。查体:T38.6℃,P90次/min,R26次/min,BP105/60mmHg。医师初步诊断为感染性心内膜炎。患者接受治疗前进行血细菌培养的方法包括()。
A. 第1天间隔1h采血1次,共3次 B. 未见细菌生长,次日重复采血3次 C. 第1天采血1次,连续3d D. 每次取静脉血10~20ml E. 要做需氧环境和厌氧环境培养 F. 血细菌培养3周 [判断题]卡线器有裂纹、弯曲、转轴不灵活或钳口斜纹磨平等缺陷可以使用。
A.正确 B.错误 我来回答: 提交
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