define uchar unsigned char // 定义无符号字符型变量 define uint unsigned int // 定义无符号整型变量 sbit RED_A = P0^0; // 东西向灯 sbit YELLOW_A = P0^1;sbit GREEN_A = P0^2;sbit RED_B = P0^3; // 南北向灯/交通灯切换 void Traffic_Light() { switch(Operation_Type...
Twinkle, twinkle, traffic light, Shining on the corner bright. When it's green, it's time to go. When it's red, it stop you know. Twinkle, twinkle, traffic light, Shining on the corner bright.以上内容来自专辑 英语童谣 rhymes for kids 7.61万410免费订阅 英语童谣-C 镜子里的我 me the...
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Thispapermainlythroughthecontrolof51single-chiprealizationoftheintersectiontrafficlights,theuseofsingle-chiptimerinterrupttimerrefresh,digitaldisplaycountdown,providingreferencefordriversandpedestrians,SCMtothenextstateaccordingtothecurrentstateswitchingsystem.ThemainroadsandbranchroadsaretwomutuallyexclusiveStates,introducedt...
句意:当交通灯是红色的时候不要过马路。考查介词辨析。on在……上面;for为了,表示目的;across从物体表面通过,介词;cross通过,动词,充当谓语,cross=go across。本题根据题干可知,此处表达的是“过马路”,结合选项,可知用go across the street“过马路”,故答案选C。
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The traffic light is ___. We should slow down and wait. A. red B. green C. yellow 相关知识点: 试题来源: 解析 C 解:句意:交通灯是……。我们应该减速等待。根据常识,在交通灯是黄色时要减速等待。A红色的;B绿色的;C黄色的。故选C. [点评]本题考查了常识和形容词辨析。 [分析]句意:交通灯...
1The car ___and stopped at the red traffic light. A. got on B. got off C. slowed down D. picked up 2The car and stopped at the red traffic light. A. got on B. got off C. slowed down D. picked up 3The car ___and stopped at the red traffic light. A. got on B....
百度试题 结果1 题目traffic light A. B. C. 相关知识点: 试题来源: 解析 答案是C 反馈 收藏
百度试题 结果1 题目The traffic light is red. Please ___. ( ) A. stop B. go C. wait 相关知识点: 试题来源: 解析 [答案]A [解析]句意:红绿灯是红色的。请___。A停下来,B走,C等待,红灯停,故选A.反馈 收藏