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【简答题】
含有0.1250g I 2 的KI溶液25mL，用25mLCCl 4 与之一起振荡。I 2 在CCl 4 和KI溶液之间的分配达到平衡后，在水相中测得0.0050ggI 2 ，若每次用25mLCCl 4 萃取25mL该溶液，共萃取两次，萃取率是( ) (A) 86.0%。 (B) 96.0%。 (C) 99.0%。 (D) 99.8%。
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【简答题】对于施工周转材料，能计入材料定额消耗量的是（ ）。
【单选题】What are the main features of Vault III?
A.
It is the oldest building resembling a galley.
B.
It is likely the headquarters of the troops of Vault I and Vault II.
C.
It is the largest one among the three vaults.
D.
It has a 1. 95-meter-high robust marshal as the commander.
【单选题】中国共青团团员必须宣传、执行党的基本路线和各项方针政策,积极参与改革开放和()努力完成团组织交给的任务。
A.
中国特色社会主义建设
B.
社会主义现代化建设
C.
中国特色社会主义核心价值观建设
D.
中国社会主义理论体系建设
【简答题】San Francisco's Chinatown is the biggest and oldest in the country. It's the third most visited tourist destination in the city. It's also the city's most densely populated neighbor- hood. So why are....
【简答题】Carl: Hi. My name's Carl. Nice to meet you. Pancho: Nice to meet you, too. My name is Francisco. Carl: What? Pancho: Francisco, but all my friends and family back in Peru call me Pancho. Carl: Okay, P...
【单选题】听力原文： Man: My secretary tells me that you'd like to know something about mechanical engineering. What I can do is give you some idea of the variety of specialties within the field. Woman: I'd apprecia...
A.
She is planning to buy a refrigerator.
B.
She is interested in fashion design.
C.
She wanted to know something about a subject.
D.
She asked the man to help her find a job.
【单选题】I think this is the oldest coin ______ I have ever seen. [ ]
A.
which
B.
who
C.
what
D.
that
【简答题】单幼儿园人身伤害事故
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