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叶色诊断法 diagnosis method of foliar color
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以下哪个菜单命令可以查看溢色(Gamut)()A、选择〉色彩范围(Select>Color Range)B、图像〉调整〉可选颜色(Select>Adjustments>Selective Color)C、图像〉调整〉替换颜色(Image>Adjustments>Replace Color)
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第三篇Ways to Create Colors in a PhotographThere are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.What color filter would absorb red wavelengths?A:Red. B:Magenta.C:Cyan. D:Yellow.
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共用题干
第三篇Ways to Create Colors in a PhotographThere are two ways to create colors in a photograph.One method called additive,starts with three basic colors and adds them together to produce some other color. The second method,called subtractive,starts with white light(a mixture of all colors in the spectrum)and,by taking away some or all other colors,leaves the one desired.In the additive method,separate colored lights combine to produce various other colors.The three additive primary colors are green,red and blue(each providing about one-third of the wavelengths in the total spectrum).Mixed in varying proportions,they can produce all colors.Green and red light mix to produce yellow,red and blue light mix to produce magenta(a purplish pink);green and blue mix to produce cyan(a bluish green).When equal parts of all three of these primary-colored beams of light overlap（重叠）,the mixture appears white to the eye.In the subtractive process colors are produced when dye（染料）absorbs some wavelengths and so passes on only part of the spectrum.The subtractive primaries are cyan,magenta and yellow; these primaries or dyes absorb red,green and blue wavelengths respectively,thus subtracting them from white light. These dye colors are the complementary colors to the three additive primaries of red,green and blue.Properly combined,the subtractive primaries can absorb all colors of light, producing black.But,mixed in varying proportions,they too can produce any color in the spectrum.Whether a particular color is obtained by adding colored lights together or by subtracting some light from the total spectrum,the result looks the same to the eye.The additive process was employed for early color photography. But the subtractive method,while requiring complex chemical techniques,has turned out to be more practical and is the basis of all modern color films.What explanation is given for the use of the subtractive method in modern color films?A: The additive process is still being developed.B:The subtractive process is more efficient.C:Subtractive colors are more realistic.D:Additive chemical techniques are too complex.
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以下哪个菜单命令可以查看溢色（Gamut）？（）A、 选择〉色彩范围（SelectColor Range）B、 图像〉调整〉可选颜色（SelectAdjustmentsSelective Color）C、 图像〉调整〉替换颜色（ImageAdjustmentsReplace Color）
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单选题public class Ball { public enum Color { RED， GREEN， BLUE }； public void foo（） { // insert code here { System.out.println（c）； } } } Which code inserted at line 14 causes the foo method to print RED， GREEN， and BLUE？（）A
for（ Color c ： Color.values（））B
for（ Color c = RED； c = BLUE； c++）C
for（ Color c； c.hasNext（） ； c.next（））D
for（ Color c = Color[0]； c = Color[2]； c++）E
for（ Color c = Color.RED； c = Color.BLUE； c++）
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单选题以下检索表达式中，检索结果数量最少的是（）。A
AIDS and（diagnosis or therapy）B
AIDS and diagnosis or therapyC
AIDS and diagnosis and therapyD
AIDS or（diagnosis and therapy）
考题
单选题以下哪个菜单命令可以查看溢色（Gamut）？（）A
选择〉色彩范围（SelectColor Range）B
图像〉调整〉可选颜色（SelectAdjustmentsSelective Color）C
图像〉调整〉替换颜色（ImageAdjustmentsReplace Color）
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名词解释题植株化学诊断法 diagnosis method of plant chemistry
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