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【简答题】
用如图所示的装置探究“电流做功与电压的大小之间的关系”．两瓶煤油中都浸泡着一段材料、横截面积均相同的电阻丝，瓶中温度计显示煤油的温度． （1）实验中电流做功的多少是根据煤油______变化的大小来判断的，为比较两电阻做功的多少，两瓶煤油的质量应______． （2）“水比较容易获得，为什么不用水代替煤油？”对此合理的解释是______．（填字母） A．煤油有颜色便于观察    B．煤油密度较小    C．煤油比热容较小 （3）两瓶中电阻______联使得通过它们的电流和通电时间相等，甲瓶中的电阻丝较长，电阻较______，电压较高． （4）实验发现，甲瓶温度升高较多．表明：在电流和通电时间相同的情况下，导体两端的电压越高，电流做功越______．
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【单选题】在总账系统中,删除凭证的必要条件是__ __。
A.
核
B.
账
C.
上作废标记
D.
账
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【判断题】浮沉规律不相同的经纱或不同交织规律的经纱必须分穿在不同的综框内, 浮沉规律相同的经纱穿入同一页综框中,也可穿入不同的综框中。
A.
正确
B.
错误
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【判断题】相同交织规律的经纱必须穿入同一页综框
A.
正确
B.
错误
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【单选题】______ is the effect that is caused by a drug and is different from the drug's intended effect.
A.
Side effect
B.
Drug allergy
C.
Drug interaction
D.
Nourishment
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【简答题】天气与气候的区别
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【单选题】Drug Abuse 1 The term 'drug abuse' most often refers to the use of a drug with such frequency that it causes physical or mental harm to the user or impairs social functioning. Although the term seems ...
A.
Patterns of drug abuse
B.
Treatment
C.
Drug testing in the workplace
D.
Classification of psychoactive drugs
E.
Definition of drug abuse Paragraph 1 ______.
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【单选题】As to the issue of drug approval, ______.
A.
to judge whether a drug is safe enough should rely on objective measures
B.
drug companies usually study for years to prove the safety and effectiveness of a drug
C.
drug companies prefer surrogate endpoints in the process of drug approval because F.D.A.encourages them to do so
D.
drug companies rely heavily on surrogated endpoints because this way of measurement takes less time and money
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【单选题】If your client is experiencing unpredictable abnormal symptoms including opposite drug action, it shows that the drug can cause ______.
A.
drug tolerance
B.
idiosyncratic effect
C.
drug allergy
D.
drug interaction
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【判断题】运动（浮沉交织）规律相同的经纱必须穿入同一页（列）综框中。
A.
正确
B.
错误
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【单选题】The MIC value of drug A is 2 mg/ml, and the MIC value of drug B is 125 mg/ml, thus ( ).
A.
the antibacterial activity of drug A is weaker than drug B
B.
the antibacterial activity of drug A is stronger than drug B
C.
the antibacterial spectrum of drug A is broader than drug B
D.
the antibacterial spectrum of drug A is narrower than drug B
查看完整题目与答案
相关题目：
【单选题】在总账系统中,删除凭证的必要条件是__ __。
A.
核
B.
账
C.
上作废标记
D.
账
查看完整题目与答案
【判断题】浮沉规律不相同的经纱或不同交织规律的经纱必须分穿在不同的综框内, 浮沉规律相同的经纱穿入同一页综框中,也可穿入不同的综框中。
A.
正确
B.
错误
查看完整题目与答案
【判断题】相同交织规律的经纱必须穿入同一页综框
A.
正确
B.
错误
查看完整题目与答案
【单选题】______ is the effect that is caused by a drug and is different from the drug's intended effect.
A.
Side effect
B.
Drug allergy
C.
Drug interaction
D.
Nourishment
查看完整题目与答案
【简答题】天气与气候的区别
查看完整题目与答案
【单选题】Drug Abuse 1 The term 'drug abuse' most often refers to the use of a drug with such frequency that it causes physical or mental harm to the user or impairs social functioning. Although the term seems ...
A.
Patterns of drug abuse
B.
Treatment
C.
Drug testing in the workplace
D.
Classification of psychoactive drugs
E.
Definition of drug abuse Paragraph 1 ______.
查看完整题目与答案
【单选题】As to the issue of drug approval, ______.
A.
to judge whether a drug is safe enough should rely on objective measures
B.
drug companies usually study for years to prove the safety and effectiveness of a drug
C.
drug companies prefer surrogate endpoints in the process of drug approval because F.D.A.encourages them to do so
D.
drug companies rely heavily on surrogated endpoints because this way of measurement takes less time and money
查看完整题目与答案
【单选题】If your client is experiencing unpredictable abnormal symptoms including opposite drug action, it shows that the drug can cause ______.
A.
drug tolerance
B.
idiosyncratic effect
C.
drug allergy
D.
drug interaction
查看完整题目与答案
【判断题】运动（浮沉交织）规律相同的经纱必须穿入同一页（列）综框中。
A.
正确
B.
错误
查看完整题目与答案
【单选题】The MIC value of drug A is 2 mg/ml, and the MIC value of drug B is 125 mg/ml, thus ( ).
A.
the antibacterial activity of drug A is weaker than drug B
B.
the antibacterial activity of drug A is stronger than drug B
C.
the antibacterial spectrum of drug A is broader than drug B
D.
the antibacterial spectrum of drug A is narrower than drug B
查看完整题目与答案