【单选题】In Mark Twain's The Adventures of Huckleberry Finn, Huck writes a letter to inform against Jim, the escaped slave, and then he tears the letter up. This fact reveals that_________.
A.
Huck has a wrong understanding of love and hate
B.
There is a conflict between society and conscience in Huck
C.
Huck is always an indecisive person
D.
Huck has very little education
【多选题】根据检测的原理和适用范围,氢火焰离子化检测器属于是( )检测器。
【简答题】色谱检测器分()和()两种,氢火焰离子化检测器属于质量型,热导池检测器属于浓度型检测器。
【单选题】In Mark Twain's The Adventures of Huckleberry Finn, Huck writes a letter to inform against Jim, the escaped slave, and then he tears the letter up. This fact reveals that_________.
A.
Huck has a wrong understanding of love and hate
B.
there is a conflict between society and conscience in Huck
C.
Huck is always an indecisive person
D.
Huck has very little education