需要规定当前网页中链接文字的色彩为蓝色，正在被点击的链接文字的色彩为红色，点击过的链接文字的色彩为灰色，则正确的选项为（ ）。 A: <body link="blue" alink="red" vlink="gray"> B: <body link="rgb(0,0,255)" alink="rgb(255,0,0)" vlink="rgb(128,128,128)"> C: <body link=" D: 0000FF" alink=" E: FF0000" vlink=" F: 808080"> G: <body link="rgb(0,0, H: FF)" alink="rgb( I: FF,0,0)" vlink="rgb( J: 80, K: 80, L: 80)">
需要规定当前网页中链接文字的色彩为蓝色，正在被点击的链接文字的色彩为红色，点击过的链接文字的色彩为灰色，则正确的选项为（ ）。 A: <body link="blue" alink="red" vlink="gray"> B: <body link="rgb(0,0,255)" alink="rgb(255,0,0)" vlink="rgb(128,128,128)"> C: <body link=" D: 0000FF" alink=" E: FF0000" vlink=" F: 808080"> G: <body link="rgb(0,0, H: FF)" alink="rgb( I: FF,0,0)" vlink="rgb( J: 80, K: 80, L: 80)">
Gray hair should be respected. The “gray hair” in this sentence refers to _______
Gray hair should be respected. The “gray hair” in this sentence refers to _______
gray syndrome:
gray syndrome:
Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"
Word中插入数学公式的方法是（）。 A: "插入"→"形状"→"公式" B: "开发工具"→"公式" C: "插入"→"公式"→"插入新公式" D: "引用"→"插入"→"公式"
对于一张彩色图像image.jpg，通过opencv读取其灰度图，下面的方法正确的是（）。 A: img = cv2.imread('image.jpg')gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY); B: gray = cv2.imread('image.jpg',0); C: gray = cv2.imread('image.jpg',1)； D: gray = cv2.imread('image.jpg',cv2.IMREAD_GRAYSCALE)；
对于一张彩色图像image.jpg，通过opencv读取其灰度图，下面的方法正确的是（）。 A: img = cv2.imread('image.jpg')gray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY); B: gray = cv2.imread('image.jpg',0); C: gray = cv2.imread('image.jpg',1)； D: gray = cv2.imread('image.jpg',cv2.IMREAD_GRAYSCALE)；
定义并初始化一个用于存放我们国家的四个直辖市的数组cityName，四个直辖市为：北京，上海，天津，重庆. 正确的是_________ A: String[] cityName=new String[4]{"北京","上海","天津","重庆"}; B: String[] cityName=new String[]{"北京","上海","天津","重庆"}; C: String[] cityName={"北京","上海","天津","重庆"}; D: String cityName = new String[4] { "北京", "上海", "天津", "重庆" };
定义并初始化一个用于存放我们国家的四个直辖市的数组cityName，四个直辖市为：北京，上海，天津，重庆. 正确的是_________ A: String[] cityName=new String[4]{"北京","上海","天津","重庆"}; B: String[] cityName=new String[]{"北京","上海","天津","重庆"}; C: String[] cityName={"北京","上海","天津","重庆"}; D: String cityName = new String[4] { "北京", "上海", "天津", "重庆" };
按突触间隙的宽窄，突触分为（ ） A: Gray I B: 交互型 C: Gray II D: 串联型
按突触间隙的宽窄，突触分为（ ） A: Gray I B: 交互型 C: Gray II D: 串联型
已知有一个名为names的空列表,如何向其中添加old_driver,rain,jack,shanshan,peiqi,black_girl 元素？ A: names.append("old_driver","rain","jack","shanshan","peiqi","black_girl") B: names.extend("old_driver","rain","jack","shanshan","peiqi","black_girl") C: names.insert("old_driver","rain","jack","shanshan","peiqi","black_girl") D: names.extend(["old_driver","rain","jack","shanshan","peiqi","black_girl"])
已知有一个名为names的空列表,如何向其中添加old_driver,rain,jack,shanshan,peiqi,black_girl 元素？ A: names.append("old_driver","rain","jack","shanshan","peiqi","black_girl") B: names.extend("old_driver","rain","jack","shanshan","peiqi","black_girl") C: names.insert("old_driver","rain","jack","shanshan","peiqi","black_girl") D: names.extend(["old_driver","rain","jack","shanshan","peiqi","black_girl"])
以下哪个选项是正确的json数据格式： A: { "id": 2, "userName": admin, "passWord": 12345, "email": admin@qq.com} B: { id: 2, userName: "admin", passWord: "12345", email: "admin@qq.com"} C: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com",} D: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com"}
以下哪个选项是正确的json数据格式： A: { "id": 2, "userName": admin, "passWord": 12345, "email": admin@qq.com} B: { id: 2, userName: "admin", passWord: "12345", email: "admin@qq.com"} C: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com",} D: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com"}
把一个JSON格式数据赋给变量color：color = "色彩":[ "暖色":["红","橙","黄"], "冷色":["青","蓝"], "中性色":["紫","绿","黑","灰","白"] ]以下能够取到冷色“["青","蓝"]”的是哪一个选项？_
把一个JSON格式数据赋给变量color：color = "色彩":[ "暖色":["红","橙","黄"], "冷色":["青","蓝"], "中性色":["紫","绿","黑","灰","白"] ]以下能够取到冷色“["青","蓝"]”的是哪一个选项？_