| A surprising amount can be learned in a short time by those who have clear objectives and are prepared to work consistently, providing that they clear their mind of some prevalent misconceptions. |
| {{U}}Footracing is a popular activity in the United
States. It’s not only seen as a competitive sport, but also as a way to
exercise, to enioy the comraderies (同专情谊) of like - minded people, and to donate
money to a good cause. {{/U}}Though serious runners may spend months training to
compete, other runners and walkers might not train at all. Those not competing
to win might run in an effort to beat their own time, or simply to enjoy the fun
and exercise. People of all ages, from those less than one - year old (who may
be pushed in strollers) to those in their 80s, enter into this sport. The races
are held on city streets, on college campuses, through parks, and in suburban
areas, and are commonly 5 to 10 kilometers in length. The largest footrace in the world is the 1 2- kilometer Bay to Breakers race that is held in San Fra A. for a good reason B. to support a sound principle C. for a good purpose D. to protect a wise investment [单选题]起飞落地过程中，由于坡度过 大导致翼尖或发动机吊舱擦 地，属于什么等级的事件？
A.一般差错 B.严重差错 C.一般事故征候 D.严重事故征候 [判断题]闻一多认为，在原始人类的观念中，婚姻是人生中第一个大事，传宗是婚姻的唯一目的。
[单项选择]患者男，78岁。胃癌合并上消化道大出血，出血量约2000ml。给予快速输注全血2000ml，患者突然出现胸闷、憋气、咳血性泡沫样痰。查体：口唇黏膜发绀，颈静脉怒张。双肺可闻及广泛的湿啰音。 下列治疗措施中，错误的是（）
A. 立即停止输血 B. 吸氧 C. 静脉滴注呋塞米 D. 静脉滴注5%碳酸氢钠500ml E. 静脉滴注毛花苷丙 [简答题]简要说明阿姆河河的主要水文特征及原因。
[判断题]SF6配电装置室、电缆层（隧道）的排风机电源开关应设置在门内。
A.正确 B.错误 [单选题]下列哪个不是电子邮件服务的优点( ).
A.方便迅捷 B.实时性强 C.费用低廉 D.传输信息量大 [单选题]《烟草专卖许可证管理办法》(工信部第37号令)规定的期限以工作日计算,如遇到法定节假日,期限( )。
A.计算在节假日内 B.按工作日顺延 C.根据节假日具体情况长短调整 D.都上都不正确 我来回答: 提交
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