定义了变量key,使用key的代码为:key = SPI2_ReadWriteByte(0x00);执行函数并将函数返回值赋值给key,没有使用这个返回。比如 int b=a;从a中读取数据负值给b.其实,我是感觉声明和负值的地方离那么远很奇怪。反正循环里面又不用,为什么不到负值的时候才声明。
百度试题 结果1 题目I was ___ that they never used the Internet. A. surprise B. surprising C. surprised D. surprises 相关知识点: 试题来源: 解析 C
aWarning[Pe550]: variable "GPIO_InitStructure" was set but never used d:\我的文档\桌面\汇编\STM32\uart\uart.c 4 警告(Pe550) : 设置易变的“GPIO_InitStructure”,但未曾使用了d:\我的文档\桌面\汇编\ STM32 \ uart \ uart.c 4[translate]...
C. health; health D. healthy; healthy 查看答案和解析>> 科目:初中英语来源:题型: Henry and Bill are good friends, but they never see each other. They come from 16 countries. Henry is from the USA, and Bill is from England. They both have computers and often talk on the 17 . Now the...
(9) A./ B.so C.but (10) A.one B.first C.the first 答案(1)考查动词。句意:他教了她许多女孩通常不被允许学习的技能,比如武术和骑马。taught教(过去式);has taught教(现在完成时);was teaching教(现在进行时)。根据上文"A long time ago in China"(很久以前在中国)可知,此...
百度试题 结果1 题目He never used to swim in winter , ___ ? A. didn’t he B. did he C. was he D. wasn’t he 相关知识点: 试题来源: 解析 B 反馈 收藏
Tom Brown was a very good boxer (拳击手) .He had a pair of very strong fists (拳头) ,but he 1 used them in boxing. He was great and won many times. One day he went to a small town by 2 He suddenly saw two men 3 after a young woman when he was driving his car along a ...
A. never B. rarely C. often D. usually 相关知识点: 试题来源: 解析 D。此题是对名词的考察。题干:警方认为这起谋杀案的动机是出于妒忌。题干划线词motive意为“目的,动机”。四个选项:choice意为“选择”,idea意为“办法,观念”,decision意为“打算”,reason意为“理由”,因此D为正确答案。反馈...
百度试题 结果1 题目The airport(a)has been used since it was completed(b) has never been used(c)came into use recently(d) has just come into use 相关知识点: 试题来源: 解析 d 反馈 收藏
前半句含有否定词never,因此,反义疑问句用肯定形式。 前半句的谓语动词是used to,因此反义疑问句用didn't he。 所以答案是C。 **1. 句意分析:** - 这句话的意思是:“他以前从不游泳,是吗?” “是的,他认为……” **2. 语法分析:** - 这是一个反义疑问句,前半句含有否定词never,因此,...