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【单选题】
在下列极谱分析操作中哪一项是不正确的?A.
通 氮气 除去溶液中的溶解氧
B.
搅拌下进行，减小浓差极化的影响
C.
恒温消除由于温度变化产生的影响
D.
加入表面活性剂消除极谱极大
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举一反三
【单选题】The Brisbane Festival will schedule activities and performances
A.
at indoor and outdoor venues.
B.
over 290 days.
C.
in traditional performance centres around the city.
【单选题】Which city is quite European in its flavor?
A.
Sydney.
B.
Brisbane.
C.
Melbourne.
D.
Perth.
【简答题】阅读理解。 If you go to Brisbane, Australia, you can easily get a small book called 'Discover Brisbane' free. The book tells you almost everything in Brisbane: the restaurants, the shops, the cinemas, the ...
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