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【简答题】
在测定“小灯泡电功率”的实验中,小灯泡额定电压为2.5V。图甲是某同学没有连接完的实物电路。 甲                      乙                 丙 (1)请你用笔画线代替导线,帮他将实物电路连接完整; (2)小叶同学闭合开关,移动滑片P到某一点时,电压表示数(如图示)为 V,若他想测量小灯泡的额定功率,图甲中滑片P向 ____ (选填“A”或“B”)端移动,使电压表的示数为2.5V。 (3)小叶同学通过移动滑片P,记下了多组对应的电压表和电流表的读数,并绘制成了图丙所示的U-I图像。根据图像信息,可计算出小灯泡的额定功率是 W。 (4)在另一组同学连接的电路中,闭合 开关,移动滑动变阻器滑片P的过 发现,灯泡变亮时,电压表示 数反而减小,灯泡变暗时,电压表 示数反而增大。经检查所用器材均 完好。你认为图与上述实验现象相符的电路图是____________。
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【单选题】Under no circumstances _______ do anything that will benefit yourself but do harm to your country .
A.
you will
B.
you should
C.
you can
D.
can you
【多选题】市场营销环境的特点是( )。
A.
多样性和复杂性
B.
动态性和多变性
C.
差异性和相关性
D.
客观性和不可控性
【单选题】Speaker A: Can I do anything for you? Speaker B :__________
A.
No. You can' t do anything for me.
B.
Never mind.
C.
It' s my pleasure.
D.
No, it' s all right. I can manage myself.
【单选题】They were all so tired that they could ______.
A.
do nothing but sleep
B.
do anything but sleep
C.
do nothing but to sleep
D.
do anything but to sleep
【单选题】Speaker A: Can I do anything for you? Speaker B:________
A.
No. You can't do anything for me.
B.
Never mind.
C.
it’s my pleasure.
D.
No, it's all right. I can manage myself.
【简答题】问题:地接导游员在和领队商定行程时,领队提出团友们第二天想去一个原定行程中没有的景点,作为导游,你应该如何回答和解决?
【单选题】A:Can I do anything for you? B:______
A.
No. You can't do anything for me.
B.
No,it's alright. I can manage myself.
C.
Never mind.
D.
It's my pleasure.
【简答题】滲透泵片剂的释药速率决定于()()和()
【单选题】–– Can I do anything for you? –– _____
A.
No. You can ’t do anything for me.
B.
No, it ’s alright. I can manage myself.
C.
Never mind.
D.
It ’s my pleasure.
【单选题】Do not do anything _____ should go against his will.
A.
which
B.
what
C.
that
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