5.字符串“\\012\012”的长度是_____。

Activity 2 Watch the video clip and check(√)the topics that are mentioned.1 the definition of an e-book A: Mentioned. B: Not mentioned.

012 藏头诗 通过码

Which of the following statements about image texture is correct: refers to which characteristics of the image? ( ) A: Image texture is the relative brightness of objects in the image B: Image texture is the apparent roughness of an image region C: Image texture is the apparent smoothness of an image region D: Image texture is the frequency of tonal change on an image

012 5 2 2[br][/br]道床材料以质地坚硬、不宜风化的( )为最好。 A: 碎石 B: 卵石 C: 砂石 D: 砾石

1. For an image with 100 * 100 pixels, each pixel has 8-bits to express its gray scale.If the data volume of the compressed image is 40000 bits after Huffman coding , the compression ratio of the image is ( ). A: A. 4:1 B: B. 3:1 C: C. 1:2 D: D. 2:1

3．语句printf("%d ",12&012);的输出结果是： A: 12 B: 8 C: 6 D: 012

已知到达点经度λ2＝168°12＇.6E，两地间的经差Dλ＝24°26＇.0W，则起航点经度λ1为（）。 A: 012°38＇.6E B: 143°46＇.6E C: 012°38＇.6W D: 167°21＇.4W

八进制整数012表示十进制的 。

字符串 "ab\012\"" 的长度是________。