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单选题
Which of the following is the correct pin out for T568B?（）
A
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brown
B
Blue, blue/white, orange/white, orange, brown/white, brown, green/white, green
C
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brown
D
Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
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更多 “单选题Which of the following is the correct pin out for T568B?（）A Orange/white, orange, green/white, blue, blue/white, green, brown/white, brownB Blue, blue/white, orange/white, orange, brown/white, brown, green/white, greenC Green/white, green, orange/white, blue, blue/white, orange, brown/white, brownD Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white” 相关考题
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What colors were in the dress that Scarlett wore to the barbeque?()
A.Red and YellowB.Only PurpleC.Pink, White and BlueD.Green and White
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在下列程序段中,enumcolor{red,yellow,blue=4,green,white}c1,c2;c1=yellow;c2=white;枚举变量c2的值是()
A、1B、3C、5D、6
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29． Lisa found_________according to(根据)Lost And Found．A．a blue and white catB．a black and white caseC．a black backpackD．a black and white cat
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Which of the followings presents the forecasts of the U.S. economy?A．Blue BookB．Green BookC．Beige BookD．White Book
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What a fabulous car — I’m very jealous.()
A.red with envyB.white with envyC.blue with envyD.green with envy
考题
Which of the following is the correct pin out for T568B?()
A. Orange/white, orange, green/white, blue, blue/white, green, brown/white, brownB. Blue, blue/white, orange/white, orange, brown/white, brown, green/white, greenC. Green/white, green, orange/white, blue, blue/white, orange, brown/white, brownD. Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
考题
BHave you ever walked into a room and felt relaxed？It could be because the walls were painted blue, a calm and peaceful color .Sometimes colors can affect our feelings and moods.Some colors can make us feel calm and peaceful.Blue is one of these.Wearing blue clothes or sleeping in a blue room is good for our mind and body, because this color makes a good feeling.Blue is also the color of sadness, so you may say you’re feeling blue when you are feeling sad.White is another calm color.You should wear white clothes if you are feeling nervous.White is also the color of purity(纯洁).Many women like to be in white on their wedding day.Green is the color of nature.It can give us more energy when we are feeling tired.Some colors can make you feel warm.These colors can give you a happy feeling.People who live in cold climates use warm colors in their homes like orange and yellow instead of white and blue.Orange shows joy.It can bring you success and cheer you up when you are feeling sad.Yellow is the color of the sun, so it can remind you of a warm, sunny day.Yellow is also the color of wisdom.Some people prefer this color when they study for exams.For example, they may use yellow school things.Red is one of the strong colors.Wearing red often makes us active.In short, we can try out different colors if we aren’t feeling our best.根据短文内容,选择最佳答案。 第 6 题 （ ）According to the passage, which color of the following can make you feel relaxed?A．Yellow.B．Orange.C．Red.D．White.
考题
在下列程序段中，枚举变量 c1的值是（）。enum color { red,yellow,blue=4,green,white}c1; c1=yellow; c1=white;A 1B 3C 5D 6
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Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a ______.A.red triangle with the letter RB.white triangle with the letters RGC.green square with the letter GD.white square with the letters GR
考题
A vessel trawling will display a ______.A.red light over a white lightB.green light over a white lightC.yellow light over a red lightD.white light over a green light
考题
You are preparing to take another vessel in tow．Which signal indicates，Hawser is made fast ______．A.Firing of a green star signalB.Firing of a red star signalC.An orange smoke signalD.Three white star rockets at 1-minute intervals
考题
If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would ______．A.fire a green star to the leftB.send the letter K by light and point to the leftC.place an orange signal to your left as you signal with a white lightD.send the code signal S followed by L
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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.Which of the following is NOT a pair of additive and subtractive primary colors?A:Yellow and blue. B: Magenta and green.C:Black and white. D:Cyan and red.
考题
Which of the following is the correct arrangement of the data pairs in a T568B wire pattern?（）A、Orange orange/white on pins 1 2B、Blue blue/white on pins 4 5C、Orange orange/white on pins 4 5D、Brown brown/white on pins 1 2E、Green green/white on pins 3 6
考题
Which of the following is the correct pin out for T568B?（）A、Orange/white, orange, green/white, blue, blue/white, green, brown/white, brownB、Blue, blue/white, orange/white, orange, brown/white, brown, green/white, greenC、Green/white, green, orange/white, blue, blue/white, orange, brown/white, brownD、Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
考题
单选题A jar contains 54 marbles each of which is blue, green, or white. The probability of selecting a blue marble at random from the jar is 1/3, and the probability of selecting a green marble at random is 4/9. How many white marbles does the jar contain?A
6B
8C
9D
12E
18
考题
单选题A vessel engaged in trawling will show identification lights of（）.A
a red light over a white lightB
a white light over a red lightC
a green light over a white lightD
two red lights in a vertical line
考题
单选题A white buoy with an orange rectangle on it displays（）.A
directionsB
dangersC
exclusion areasD
All of the above
考题
单选题A vessel trawling will display a（）.A
red light over a white lightB
green light over a white lightC
yellow light over a red lightD
white light over a green light
考题
单选题An orange and white buoy with a rectangle on it displays（）.A
directionsB
distancesC
locationsD
All of the above
考题
单选题An orange and white buoy marking an area where operating restrictions are in effect will be marked with which symbol? （）A
Open-faced diamondB
Diamond with a crossC
CircleD
Rectangle
考题
单选题An orange and white buoy marking a danger area will have what symbol on it?（）A
Open-faced diamondB
Diamond with a crossC
CircleD
Square
考题
单选题Lighted white and orange buoys must show which color light?（）A
OrangeB
WhiteC
RedD
Alternating yellow and white
考题
单选题Which of the following is the correct pin out for T568B?（）A
Orange/white, orange, green/white, blue, blue/white, green, brown/white, brownB
Blue, blue/white, orange/white, orange, brown/white, brown, green/white, greenC
Green/white, green, orange/white, blue, blue/white, orange, brown/white, brownD
Orange/white, orange, brown/white, brown, green/white, green, blue, blue/white
考题
单选题If you are on the beach and are signaling to a small boat in distress that your present location is dangerous and they should land to the left，you would（）.A
fire a green star to the leftB
send the letter K by light and point to the leftC
place an orange signal to your left as you signal with a white lightD
send the code signal S followed by L
考题
多选题Which of the following is the correct arrangement of the data pairs in a T568B wire pattern?（）AOrange orange/white on pins 1 2BBlue blue/white on pins 4 5COrange orange/white on pins 4 5DBrown brown/white on pins 1 2EGreen green/white on pins 3 6
考题
单选题The lifesaving signal indicating You are seen - assistance will be given as soon as possible is the（）.A
vertical motion of white flagsB
vertical motion of a white light or flareC
firing of a green star signalD
None of the above
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