题目内容

______, Charles doesn't look happy.

A. For all his large bank account
B. Instead of his large bank account
C. However his large bank account
D. Let alone his large bank account

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It can be inferred from the text that most people who have no doubts about paranormal phenomena are probably ______.

A. ignorant of what life really is
B. enthusiastic about mass media
C. inclined to believe things readily
D. fond of psychic powers themselves

TLC中的比移值一般表示为

A. K
B. k
C. Rf
D. tR
E. R

HPLC除另有规定外,分离度应是

A. 小于1.0
B. 小于1.5
C. 大于1.5
D. 大于2.0
E. 大于5.0

容量因子又称为

A. 分配系数
B. 质量分配系数
C. 重量分配系数
D. 吸收系数
E. 摩尔吸收系数

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