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【单选题】
葡聚糖凝胶色谱法属于排阻色谱,在化合物的分享过程中,先被洗脱下来的为()
A.
杂质
B.
小分子化合物
C.
大分子化合物
D.
两者同时下来
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参考答案:
举一反三
【单选题】A stone _____ my foot. [     ]
A.
took
B.
made
C.
bumped
【简答题】网络协议采用层次结构模型有什么好处?
【简答题】网络协议采用层次结构模型有什么好处?
【简答题】She bumped into her boyfriend in town this morning.
【单选题】Getting bumped from a donkey is _________ getting bumped from a flight.
A.
the same as
B.
different from
C.
more painful than
D.
less painful than
【单选题】—______ to your head? —A football bumped it. [     ]
A.
What happened
B.
What happen
【单选题】Victorial bumped into his brother quite by chance in the supermarket. The underlined part means __________.
A.
risk
B.
opportunity
C.
possibility
D.
luck
【单选题】She bumped into her boyfriend in town this morning.
A.
walked
B.
came
C.
fled
D.
ran
【单选题】关于《雨巷》,以下哪一项不恰当?
A.
是一首现代诗歌
B.
作者为戴望舒
C.
全诗韵律优美,读来琅琅上口
D.
情感基调:喜悦祥和
【单选题】以下不属于洞口段特点的是
A.
围岩较好
B.
地质条件差
C.
覆盖层较薄
D.
容易失稳
参考解析:
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