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【单选题】
中国证券业协会对投资主办人自执业注册完成之日起每（ ）年检查一次。A.
1
B.
2
C.
3
D.
4
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举一反三
【单选题】General Acid-Base Catalysis is the most common catalysis in enzymatic reactions, which is achieved by catalytic transfer of a ( ).
A.
proton
B.
electron
C.
carboxyl group
D.
atom
【简答题】Complete the text below Catalytic antibodies have a number of advantages for the organic chemist over enzymes. Enzymes have significant limitations in synthesis. First, they only on compounds similar ...
【简答题】Put the following into Chinese: It is clear that, though still young, the use of catalytic antibodies has developed very rapidly to a point where its application in organic chemistry and medicine is i...
【简答题】Proofreading takes place at the same time as DNA synthesis, which is carried out by a _________ that cleaves the phosphodiester backbone. Polymerization and proofreading are tightly coordinated, and t...
【多选题】男性20岁。发作性抽搐10年，持续抽搐伴神志不清4小时入院。抽时神志不清，双眼上吊，口吐白沫，咬破舌头，四肢强直、阵挛，小便失禁，持续5～10分钟后自行缓解，每年发作十几次。4小时前劳累后频繁抽搐，神志不清。查体：体温38℃，呼吸25次／分，脉搏102次／分，血压100/60mmHg。中度昏迷，两瞳孔正大等圆，较小约1.5mm，光反射迟钝，四肢疼痛刺激可动，双下肢巴氏征阴性。双肺呼吸音粗，可闻及湿...
A.
癫痫控制发作1～2年后立即停药
B.
癫痫控制发作1～2年后药物逐渐减量
C.
癫痫控制发作3～5年后立即停药
D.
癫痫控制发作3～5年后药物逐渐减量
E.
如减量后有复发趋势或EEG有明显恶化，应再恢复原剂量治疗
F.
如减量后有复发趋势或EEG有明显恶化，可在继续观察病情
G.
如需换药时两种药物应有约1周的重叠用药期
H.
如需换药时两种药物无需重叠用药期
【单选题】The best way to compare the catalytic efficiencies of different enzymes or the turnover of different substrates by the same enzyme is to compare the ratio __________ for the two reactions. This parame...
A.
k cat / K m
B.
K m / k cat
C.
k cat × K m
D.
k cat / K m 2
【简答题】WAP移动终端上的浏览器所识别的描述语言是______。英文____
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