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【单选题】
溶出度的测定方法中错误的是()。
A.
溶剂需经脱气处理
B.
加热使溶剂温度保持在37℃±0.5℃
C.
调整转速使其稳定。
D.
开始计时,至45min时,在规定取样点吸取溶液适量
E.
经不大于1.0µm微孔滤膜滤过
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【单选题】When I took his temperature, it was three degrees above ______.
A.
average
B.
ordinary
C.
regular
D.
normal
【简答题】democracy imagination different flexibility overcome online offer traditional modern regular make possess place perform big Learning shouldn't be limited to a campus or a classroom anyone. If you have...
【判断题】KDP晶体沿Z(主)轴加电场时,由单轴晶变成了双轴晶体。
A.
正确
B.
错误
【判断题】KDP晶体沿 Z(主)轴加电场时,由双轴晶变成了单轴晶体
A.
正确
B.
错误
【单选题】The _____ temperature of the human body is between 36 ℃and 37℃.
A.
normal
B.
natural
C.
regular
D.
formal
【单选题】What is the purpose of the intake/exhaust valves in a diesel engine ________.
A.
They regulate the combustion cycle
B.
They supply cooling water
C.
They synchronize the ignition spark
D.
They supply and regulate the lubricant flow
【单选题】“Red tape” means_ ___.
A.
a red cassette
B.
the rigid unnecessary official rules and regulations
C.
the necessary of official rules and regulations
D.
a red string
【单选题】课文记叙佛罗里达航空90号班机失事的经过和救援过程,运用的是什么顺序
A.
空间顺序
B.
逻辑顺序
C.
方位顺序
D.
时间顺序
【判断题】KDP晶体沿Z(主)轴加电场时,由双轴晶变成了单轴晶体。
A.
正确
B.
错误
【简答题】阿拉伯数字的形成和()有关。8有()个角。有零个角的数字是()。
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