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【判断题】
共轭体系π 电子数符合4n+2的,该化合物具有芳香性。A.
正确
B.
错误
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举一反三
【单选题】Smaller enterprises have difficulty using foreign talent because of ______.
A.
the costly recruiting process.
B.
the expensive legal counsel.
C.
the competition from big companies.
D.
the inability to provide sponsorship.
【多选题】大多数转氨酶需要 作为氨基的受体生成 ,再经 作用最终完成脱氨基反应。
A.
α-酮戊二酸
B.
丙酮酸
C.
L-谷氨酸
D.
L-谷氨酸脱氢酶
E.
α-酮戊二酸转氨酶
【多选题】下列选项中找出不是近代中国落后的原因( )
A.
中国实行了一千三百多年的世袭制
B.
允许土地自由买卖
C.
有利于维护封建统治的儒学思想深入人心
D.
封建王朝的世袭制度
【单选题】Only through constant practice can the ability of using a foreign language be _______.
A.
earned
B.
acquired
C.
gained
D.
achieved
【简答题】Smaller enterprises have difficulty using foreign talent because of [ A] the costly recruiting process. [ B ] the expensive legal counsel. [ C] the competition from big companies. [ D] the mability to...
【简答题】Questions 36-38 Complete the following information about Foreign Office Scholarships using NO MORE THAN THREE WORDS for each gap. Foreign Office Scholarships &8226;awarded jointly by the Foreign Offic...
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