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4. According to the passage, what did the puritans expect from married women? A) They should adopt needy children B)They should assist in their husbands' trade or business C) They should work only within their own homes D)They should be apprenticed sage 2 There are two ways to create colors in a photograph. One me thod, called additive, starts with three basic colors and adds them toge ther 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 a r colors leaves the one desired. In the additive me thod, 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; green and blue mix to produce cyan(H E). When equal parts of all three of these primary colored beams of light overlap, the mixture appears white to the eye In the subtractive process, colors are produced when dye(as in paint or color photographic materials)absorbs some wavelengths and so passes on only part of the spectrum. The subtractive primaries are cyan (a bluish green), magenta(a purplish pink), and yellow. These are the pigments or dyes that 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, roducing 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 techni s turned out to be more practical and is the basis of all modern color he passage mainly d ARecent development in camera technology. B)How to make white light. C) The additive and subtractive methods of producing color. D)The discovery of the spectrum 6. Which of the following is closest in meaning to the phrase "passes on" as used in paragraph 3? A)Judges. B)Lets through C)Dies. D)Goes over 57. Which of the following is not a pair of additive subtractive primary colors? A)Yellow and blue54. According to the passage, what did the Puritans expect from married women? A)They should adopt needy children. B)They should assist in their husbands′trade or business. C)They should work only within their own homes. D)They should be apprenticed. Passage 2 There 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; green and blue mix to produce cyan(青色).When equal parts of all three of these primary colored beams of light overlap, the mixture appears white to the eye. In the subtractive process, colors are produced when dye (as in paint or color photographic materials) absorbs some wavelengths and so passes on only part of the spectrum. The subtractive primaries are cyan (a bluish green), magenta (a purplish pink), and yellow.These are the pigments or dyes that 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. 55. What does the passage mainly discuss? A)Recent development in camera technology. B)How to make white light. C)The additive and subtractive methods of producing color. D)The discovery of the spectrum. 56. Which of the following is closest in meaning to the phrase “passes on” as used in paragraph 3? A)Judges. B)Lets through. C)Dies. D)Goes over. 57. Which of the following is not a pair of additive and subtractive primary colors? A)Yellow and blue
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