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【多选题】
药物结构的特征 阿司匹林原料的检查项目中有游离水杨酸的检查,下列叙述哪些是正确的()
A.
游离水杨酸是阿司匹林贮存过程中氧化还原反应的产物
B.
阿司匹林制剂也必须检查游离水杨酸
C.
水杨酸可与硫酸铁铵反应生成有色化合物
D.
制剂中游离水杨酸的检查可使用高效液相色谱法
E.
用高效液相色谱法测定含量时可用紫外检测器
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A.
harmony
B.
agreement
C.
balance
D.
compromise
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进料泵P201停报警
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【单选题】The last sentence “Do the same with songs.” means you should encourage your child to learn and remember _________. prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
songs in the same way as he does with poems
B.
poems in the same way as he does with songs
C.
the poems and songs which are similar in meaning
D.
those songs that have the same meaning as poems
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A.
正确
B.
错误
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A.
agreement
B.
compromise
C.
quarral
D.
disapproval
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A.
a commitment
B.
an agreement
C.
a conclusion
D.
a standard
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