flex中常见的文件MIME类型包括（） A: application/x-shockwave-flash B: image/jpeg C: image/gif D: application/file

在SQL中，数据类型image只能存储gif和jpeg格式的文件

图片image组件支持的图片格式有： A: jpg B: png C: gif D: svg

在IPv6中下列哪些地址是有效的6to4地址（）。 A: 2002：c0a8：6401：2：：2 B: 2002：c0a8：3201：2：：2 C: 2001：c0a8：6401：2：：2 D: 2001：c0a8：3201：2：：2

要向Applet传递参数，应该在下列drawing.html文件的下划线处填入的选项是（） ______； ＜applet code=DrawImage.class width=100 height=100> ＜/applet> ______； 未知类型：{'options': ['&#91;param image,"flower.gif"&#93;<', '&#91;param image value= flower .gif&#93;', '&#91;param name= image value="flower .gif"&#93;', '&#91;param name="image"value="flower.gif"&#93;'], 'type': 102}

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.

当机械发生自锁时，其机械效率为http://sharecourse.upln.cn/courses/c_803_06/theory/module_3/unit_4_blocks/pic/2_clip_image2002.gif

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

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

Which of the following is not a description of image texture? （ ） A: the frequency of tonal change on an image B: the apparent roughness of an image region C: the apparent smoothness of an image region D: relative brightness of objects in the image