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【简答题】
某三相对称负載作星形联结,接在线电压为380V的三相对称电源上,若每相负载的阻抗为20Ω,功率因数为0.8,则加在每相负载两端的相电压UP= ,通过每相负载的相电流IP= ,线路中的线电流IL= ,负载消耗的总功率P= ,。
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【简答题】Teachers complain most about studentsA. not answering the question given B. not writing enough C. not referencing properly
【简答题】In the United States, teaching is very important. If teachers do not teach well, students complain. If many students do not understand, people think that the teacher does not do a good job. The teache...
【多选题】关于隔室模型的概念正确的叙述有
A.
可用AIC法和拟合度法来判别隔室模型
B.
一室模型是指药物在机体内迅速成为动态平衡的均一体
C.
是最常用的动力学模型
D.
一室模型中药物在各个器官和组织中的浓度均相等
E.
隔室概念比较抽象,无生理学和解剖学的直观性
【单选题】Teachers complain most about students:
A.
not answering the question given
B.
not writing enough
C.
not referencing properly
【单选题】The teachers always complain about the children in class.
A.
to teach, tired
B.
teaching, tired
C.
teaching, tiring
D.
to teach, tiring
【单选题】车削加工的主运动是()
A.
刀具沿横向的运动
B.
刀具沿纵向的运动
C.
刀架的转动
D.
工件的旋转运动
【单选题】关于隔室模型判别叙述正确的是
A.
如果静注给药后血药浓度对时间作图为一直线,则为单室模型;
B.
RSS值越小,说明理论值与实测值拟合的越差;
C.
r2值越大,说明所选择的模型与该药有较差的拟合度;
D.
AIC值越大,认为模型拟合的越好;
E.
WRSS值越小,说明理论值与实测值拟合的越好;
【单选题】Don’t complain ________ your teachers________ doing too much homework, because they want you to be the best.
A.
to; to
B.
to; about
C.
about; to
D.
about; about
【单选题】哪个酶不是糖异生途径的关键酶
A.
丙酮酸羧化酶
B.
磷酸烯醇式丙酮酸羧激酶
C.
果糖双磷酸酶 -1
D.
丙酮酸激酶
E.
葡萄糖 -6- 磷酸酶
【单选题】Teachers complain most about students _________.
A.
not answering the question given
B.
not writing enough
C.
not referencing properly
D.
XXXXXX
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