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【单选题】
将钠投入滴有石蕊的水中,下列有关现象的叙述中错误的是( )A.
水溶液变成红色
B.
钠熔化成小球并在水面上四处游动
C.
有气体产生
D.
钠浮在水面上
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举一反三
【简答题】For most people, the word“ fashion” means“ clothes”. But people may ask the question, "What 1 are in fashion?" And they use the adjective"fashionable" in the same way: "She was wearing a fashionable c...
【单选题】以下不是引起ALI/ARDS的肺内因素的是( )
A.
化学因素,如吸入毒气
B.
物理因素,如放射性损伤
C.
生物性因素,如重症肺炎
D.
严重休克
E.
肺部放射性损伤
【单选题】Open account is an arrangement between the seller whereby the goods are manufactured and delivered before payment is required. Open account provides for payment at some stated specific future date and...
A.
Right
B.
Wrong
C.
Doesn't say
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