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A. 当药物制剂的辅料不存在干扰的时候，采用红外光谱法进行鉴别需要注意（ ） B. 待测成分的晶型不变化，可用对照品经同法处理后的光谱比对 C. 待测成分的晶型有变化，可用对照品经同法处理后的光谱比对 D. 待测成分的晶型有变化，可直接与原料药的标准光谱进行比对
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【单选题】The sentence “After the war, it was only natural that hopeful young writers, their minds and pens inflamed against war, Babbittry, and “Puritanical” gentility,...” in Para. 7 employs the rhetorical de...
A.
M etaphor
B.
Metonymy
C.
Simile
D.
Synecdoche
【单选题】It was the natural disaster, rather than human errors, that ________ for the death of so many innocent people.
A.
are blamed
B.
was to blame
C.
was blamed
D.
were to blame
【单选题】When I was a teenager,my mother's broken English embarrassed me.But now,I see it differently.To me,my mother's English is perfectly clear,perfectly natural.It is my mother tongue.Her language,as I hea...
A.
It confuses her.
B.
It embarrasses her.
C.
It helps her understand the world.
D.
It helps her tolerate rude people.
【单选题】As we have said, it was only in the late 1960s, the General Assembly began to ______ the protection of the environment and the conservation of natural resources.
A.
address
B.
convene
C.
provide
D.
perform
【单选题】It was from the earliest time ______ men began to study the natural phenomena and heavenly bodies.
A.
when
B.
where
C.
that
D.
how
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