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【单选题】
使氢原子中电子从【图片】的状态电离，至少需要供给的能量为（）。(已知基态氢原子的电离能为13.6eV)。A.
-12.1eV
B.
12.1eV
C.
1.5eV
D.
-1.51eV
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举一反三
【单选题】要增强政府公信力必须创造条件让人民批评政府、监督政府,让权力在阳光下运行。让人民监督政府,是因为( ) 1我国政府是由人民直接选举产生的 2我国是人民民主专政的社会主义国家 3我国政府的权力来源于人民 4人民的监督权是公民最基本的民主权利
A.
②③
B.
①④
C.
①②
D.
③④
【简答题】请翻译以下句子,注意长句、数字等翻译技巧 1. In the the Buyer does not furnish the Seller with shipping instructions on or before August 1, 2010, the Seller may at his option cancel this contract and demand the Buye...
【简答题】阅读文章，回答下列各题： This is the second month running that your delivery has been late in arrival. Our current order for stationery is already 6 days overdue. We have a number of valued customers who are bein...
【判断题】If the late delivery is caused unpredicted hurricanes, the Buyer has no right for any claim.
A.
正确
B.
错误
【单选题】year after year , tigers are becoming fewer and fewer .
A.
Having been killed
B.
Killing
C.
Killed
D.
Having killed
【简答题】Complete the following sentences with the words or phrases given below. Change the form if necessary. bulky volume transport namely anvantageous deliv...
【简答题】Translate the following letter A. into Chinese Dear Sirs, In replying to your fax of the 9th, we advise you that the goods you ordered would be shipped on the 25th per S/S “Da Gang”, a container ship,...
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