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【单选题】
下列哪等渗性脱水的病因A.
．频繁呕吐
B.
高热
C.
慢性腹泻
D.
长期胃肠减压
E.
消化道瘘
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皮皮学刷刷变学霸
举一反三
【简答题】A．The speaker was a qualified nurse. B．Mr. Gillespie was an optimistic person. C．He who helps others will feel happy too. D．Sick people need an angel's help.
【单选题】在络合滴定中,下列有关酸效应的叙述正确的是
A.
酸效应系数越大，络合物的稳定性越大
B.
酸效应系数越小，络合物的稳定性越大
C.
pH 越大，酸效应系数越大
D.
酸效应系数越大，络合滴定曲线的pM＇突跃范围越大
【单选题】The speaker was an art expert who was well _____ to give her opinion of the painting.
A.
known
B.
trained
C.
qualified
【简答题】写出下列能量的转化：电动机通电后高速转动，是_____能转化为______能；汽车刹车后在水泥地面上留下两条黑色的擦痕，是______能转化为______能。
【简答题】最近,国家颁布了一系列政策鼓励国民购买环保型节能汽车。某汽车企业拟开发新型小排量汽车。假如你被该企业邀请,为即将推出的小排量汽车制定市场营销方案,你将如何完成这项任务?请写出你的工作思路。
【多选题】在 EDTA 络合滴定中,下 列叙述正确的是 ( )
A.
α M 越大， 络合滴定曲线的 pM ¢ 突跃范围越大
B.
α Y 越 小， 络合滴定曲线的 pM ¢ 突跃范围越大
C.
K MY 越大， 络合滴定曲线的 pM ¢ 突跃范围越大
D.
pH 值愈大，酸效应系数愈大
【简答题】A．The speaker was an expert on modem literature. B．The speaker had to give a speech without preparation. C．Tom had to give a speech instead of the guest speaker. D．Tom was a very careless person.
【简答题】最近,国际颁布了一系列政策鼓励国民购买环保型节能汽车。某汽车企业拟开发新型小排量汽车。假如你被该企业邀请,为即将推出的小排量汽车制动市场营销方案,你将如何完成这项任务?请写出你的工作思路。
【单选题】What was the excuse the school used to put the speaker in an ESL class?
A.
He was influenced by the way his Spanish-speaking parents spoke.
B.
He wrote English with many grammatical errors.
C.
He did not perform. well on the English proficiency test.
D.
He refused to attended any other classes.
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