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【单选题】
在药物分析中，选择分析方法的依据是A.
药物的相对分子质量
B.
药物的pH
C.
药物的剂型
D.
药物的化学结构
E.
药物的黏度
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皮皮学刷刷变学霸
举一反三
【单选题】—John, how old is your grandfather? —_______ We had a party for his _______ birthday last week. [ ]
A.
Eighty; eightieth
B.
Eighty; eighty
C.
Eightieth; eighty
D.
Eightieth; eightieth
【单选题】Barry had an advantage over his mother ______ he could speak French.
A.
since that
B.
in that
C.
at that
D.
so that
【简答题】How old was John Reed?
【单选题】一How old is your little brother．John? 一Today is his ________birthday．He is _______years old． [ ]
A.
ten；tenth
B.
ten；ten
C.
tenth；tenth
D.
tenth；ten
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