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【单选题】
嘌呤环 1 号位 N 原子来源于( )A.
Glu 的酰胺N
B.
Glu 的α氨基N
C.
Asn 的酰胺N
D.
Asp的α氨基N
E.
Gly的α 氨基N
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举一反三
【简答题】公元前770年,周平王 ,中国的历史进入春秋。
【判断题】A firm's net social contribution is a company report that measures the difference between its positive social contributions and its negative social impact.
A.
正确
B.
错误
【简答题】A．It was the wrong form. B．He had no social security number. C．The vocabulary was net too specific. D．He couldn't read.
【单选题】If you put on more coal，the fire will ________.
A.
burn down
B.
burn up
C.
burn out
D.
burn to the ground
【单选题】So that these flowers were bright as by day. [ ]
A.
brightly was the moon
B.
brightly the moon was
C.
bright was the moon
D.
bright the moon was
【简答题】vi. burn brightly; glow as if with fire
【单选题】Users can chat on net anywhere because of______.
A.
a social and commercial environment
B.
high speed networking and computing
C.
three rapidly evolving technologies
D.
simultaneous use of voice, video, image and data
【简答题】公元前__年,周平王__,历史进入__时期。
【简答题】动物疫病-整理-作业布置1.docx 请同学们翻译这些内容作为大作业,希望按时完成
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