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【简答题】
An English Song — See Who I am (Directions:) Listen to the song and fill in the blanks with what you hear. See Who I am Is it true what they say, are we too blind to find a way? Fear of the (1)_________ clouds our hearts today. Come into my world, see through my eyes. Try to (2) ________, don't want to lose what we have. We've been (3)__________ but who can (4) _____, it's the best way of living between the truth and the lies. See who I am, break through the surface. Reach for my hand, let's show them that we can free our minds and find a way. The world is in our hands, this is not the end. Fear is withering the (5) __________ at the point of no (6)_________. we must be the change we wish to see. I'll come into your world, see through your eyes. I'll try to understand, before we lose what we have. We just can't stop (7) _________ because we have to try. We can rise above their truth and their lies. See who I am, break through the surface. Reach for my hand, let's show them that we can free our minds and find a way. The world is in our hands, this is not the end. I hear their (8)_______ preaching my (9)________ . Will our (10)________ remain if their (11)________ reigns? See who I am, break through the surface. Reach for my hand, let's show them that we can free our minds and find a way. The world is in our hands, this is not the end.
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举一反三
【单选题】在使用万用表之前要进行( )调零。
A.
电子
B.
机械
C.
电压
D.
电阻
【判断题】光源的显色性是由光源的色温决定的。( )
A.
正确
B.
错误
【判断题】光源的色温和显色性都是由光源的光谱能量分布决定的。
A.
正确
B.
错误
【单选题】有关光源色温的下列叙述中,正确的是 ( ) 。
A.
光源的色温是光源本身的温度
B.
光源的色温是由光源的显色性能决定的
C.
光源的色温是由光源的光色决定的
D.
白炽灯色温高于荧光高压汞灯
【简答题】使用万用表之前要进行 [填空(1)] 。A. 机械调零
【单选题】光源的显色性是由____决定的。
A.
光源的色温
B.
光源的强度
C.
光源的光谱能量分布
【简答题】脖子短的不穿_____领服装。
【单选题】描述干涉现象是否明显的物理量是( ) 。通常使用的单色光源并不是单一频率的理想光源,而是包含着一定波长范围△ λ 的准单色光,由光源单色性决定的相干长度等于( ) 。
A.
干涉条纹对比度;λ/△λ
B.
干涉条纹对比度;
C.
干涉条纹可见度;  λ/△λ
D.
干涉条纹可见度;
【单选题】光源的显色性是由____决定的。
A.
光源的色温
B.
光源的强度
C.
光源的亮度
D.
光源的色彩
【简答题】指针式万用表使用时注意事项有:要正确接线,要正确选择______,测量电阻之前要______。
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