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【单选题】
以下关于靶点的说法,不正确的是
A.
靶点的可成药性druggability是靶点验证的关键所在
B.
靶点理论是现代药物发现的基础
C.
靶点理论建立在通过表型发现药物的基础之上
D.
细胞因子也可以成为药物作用的靶点
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【单选题】根据建筑工程中钢筋工程的检验评定标准,钢筋焊接骨架高度的允许偏差为( ) mm。
A.
±12
B.
±10
C.
±8
D.
±5
【单选题】a green house is a building made of glass which is used for keeping plants warm when the outside temperature is low. In a similar way there are several gases in the atmosphere which trap the heat prod...
A.
the way in which gases are used for keeping plants warm
B.
a natural course which is to some degree helpful to us.
C.
the way greenhouse gases trap heat on the earth
D.
the whole course in which greenhouse gases prevent heat .
【简答题】The air filter is used on engine to trap contaminants, yet provide a free flow of air into the engine.
【判断题】The air filter is used in the engine to trap contaminants, yet provide a free flow of air into the engine. Air filters which are usually used in cars are made of paper element. These filters permit ai...
A.
正确
B.
错误
【简答题】影响变压器连接组别的因素有_ __、_ _和_ _。
【简答题】影响变压器连接组别的因素有____、____、____。
【单选题】A high-temperature alarm or______which will melt is used to guard against the explosion of comperssor air pipelines.
A.
a flame trap
B.
a relief valve
C.
a fusible plug
D.
a bursting cap
【简答题】A trap is used to _____________________
【简答题】按分离机制的不同,色谱法可分为:A. 分配色谱法 B.吸附色谱法 B. 凝胶色谱法 C. 离子交换色谱法 E.平面色谱法
【单选题】A high temperature alarm or () which will melt is used to guard against the explosion of compressor air pipelines.
A.
a flame trap
B.
a relief valve
C.
a fusible plug
D.
a bursting cap
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