非水碱量法不用于下列哪种药物的测定
A. 有机弱碱
B. 有机弱酸
C. 有机酸的碱金属盐
D. 有机碱的硫酸盐
E. 有机碱的有机酸盐
热分析法在药物分析中常用的方法有
A. TGA
B. DTA
C. 0DS
DSC
E. TGA、DSC
The word "lewd" once referred to "ignorant",but now it is used to mean "lustful". This is
A. narrowing of meaning.
B. widening of meaning.
C. loss of meaning.
D. meaning shift.
How did the woman spend the last weekend？
A. Relaxed at the seashore.
B. Visited her parents.
C. Sailed on a boat.
D. Prepared for a paper.
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