【单选题】【消耗次数:1】
4
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8
9
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相关题目
【单选题】 表达式4+5 \ 6 * 7 / 8 Mod 9 的值是什么?
①  4
②  5
③  6
④  7
【简答题】 表达式3*2+4.0/5?15%?4+(5*8/9+4)%5?1/2+1.0/2的值是[填空1]。
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/0298550533906B4A9C7C9ED86E1277A5.png title=Z0BV$`@HTDET$3QBB8[8{X4.png alt=Z0BV$`@HTDET$3QBB8[8{X4.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/A1FF2D04EF58AA00EB9A04434A51D71D.png title=7(OO_T@5]J$1@T$UDDBO]O2.png alt=7(OO_T@5]J$1@T$UDDBO]O2.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/0547A41913E9F292D274042A778800C9.png title=7NJ4{N9UZR6$F@6A1HTC6{P.png alt=7NJ4{N9UZR6$F@6A1HTC6{P.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/6A3BE481217FD0B27F3C8FFE4C984273.png title=F`1_[8IRV86B(LM%Z0XY8PO.png alt=F`1_[8IRV86B(LM%Z0XY8PO.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/4250696CA8569A2B21F9F1A76EF4F3CC.png title=NXMZ]@$OMV]J{]2EOBOYRZ1.png alt=NXMZ]@$OMV]J{]2EOBOYRZ1.png/>
【单选题】 <img src=https://huaweicloudobs.ahjxjy.cn/55A1A32FFABD0CC8BD9BD4B1A2A4C9D7.png title=5-B.png alt=5-B.png/>
①  <img src=https://huaweicloudobs.ahjxjy.cn/281975D60E5BE897F8588FB560DA7573.png title=5-1.png alt=5-1.png/>
②  <img src=https://huaweicloudobs.ahjxjy.cn/299F19C28786C4A18DD9E6FFD25A2D38.png title=5-2.png alt=5-2.png/>
③  <img src=https://huaweicloudobs.ahjxjy.cn/C5853148742917FB478F24C6ECA4D026.png title=5-3.png alt=5-3.png/>
④  <img src=https://huaweicloudobs.ahjxjy.cn/E1DEFB50C7468D95336C9BC0870E7A1C.png title=5-4.png alt=5-4.png/>
【单选题】 有以下程序段int?a[10]={1,2,3,4,5,6,7,8,9,10},*p=&a[3],b;b=p[5];b中的值是()
①  5
②  6
③  8
④  9
【单选题】 设两个变量X与Y,其中误差分别为<img class="kfformula" src="data:image/png;base64,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" data-latex="{m}_{x}=\pm 30″{m}_{y}=\pm 20″"/> 、,则X+Y的中误差为<img class="kfformula" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGgAAAArCAYAAACU0M1jAAADrklEQVR4Xu3ZS6hWVRQH8J9FUYQEQZA2MdAe9CArmqhNQiPoQfak6B0EVoMsCntQDUzMtMSEkh5G9KAiqEAH2iDKBkFCBlEUkkSEhGRFr0EZC9aBw+Xm/b7jvZ+bwz6jc89de31r//9nrf1f60xTr6IRmFZ0dDU4laDCX4JKUCWocAQKD69mUCWocAQKD69mUCWocAQKD69mUCWocAQKD69m0MQEBUaP4CJcg1/wGn7EHfhtYhfdLSpBE2M3HevTLAg5Hm/idayYePmBWZREUMRyKn7C7g7bmoXb8C/+wun4HC+kz/FcHotbcRK+xzFYg50t45l4FR/iMSzI+0vxXoc4h1pSEkFH4il8lIAMs5GzcT7W4c9cGP6WYy5uwq4xDk/DSjyOT7AvsyOyJNb9nvZn4G3cm4TckPdX4athguxi2weCDk+Q402/PzOhweK8fNuXJvnN8yhTG/EM3s2H4SfOmgvyrPk2n1+CJ3EFvkibc3A9fu4C+jBr+kDQoXgQi3EtvmwBMA8f44HWeRH29+FE3NnKlMAisuPMJOHX9HN3ZmcQ8jfWZsl8GP8MA3YX2z4QtL99B+CRJZfhgzQ8IQ/4l/BcF9BGuabPBB2V5ByCu9BkRJSsKGvzsW2UYHf5rb4SFKREuYvMifOnLRCW4eoUDmdl2foDcR9iYEcKhi54TvqavhEUoiDk9blJSqi6kO3NdQRWYyG2pqRuxMBxeDYV5FuTjnRHh6MmKIDbnP1Gl5CjNN08oHoKpRbq69MEPuR3I+Vvz54peqT2Fc8ju0IQ/NAlwMleM2qC9hf/gfRB/+c3epg38HJmzmEpt+McuhifjVnYqL6RNKGDkNl3go7G85iTmfE1Qh5f3vq7jdN4snwQHKfMpg8EBaghl1/MHqXdm7RLWqPaQno/lI1nCIJK0ICvV9cS18jmaD5jjtYmqBl0RqmLsyUyKMZC7+NGbBkTWzN5WDTO/wbcxuSa9SGDovG8DqtSMrcRiuFrKLJNOW2ISUDTH8VwNIafDaGBRUwNLsyJQnxOOOhXHwiKPVyZg84NrdFNEPEEZudI55sW2qfgaURPtD2fx/A0ZPmjOb876OREAKMmqCkvMzru/h3ckh/N2i5iHydjSWbEHkRZi08Er4xjH2tDONyDvYjGNsphTLe/6xjblCwbNUFTsok+O60EFc5uJagSVDgChYdXM6gSVDgChYdXM6gSVDgChYdXM6gSVDgChYdXM6gSVDgChYdXM6gSVDgChYf3H3hSsywbmUnJAAAAAElFTkSuQmCC" data-latex="\pm 36″"/>,X-Y的中误差为<img class="kfformula" src="data:image/png;base64,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" data-latex="\pm 22″"/>
①  A.已取得乙级工程造价咨询企业资质证书满3年
②  B.企业注册资本不少于人民币80万元 
③  C.企业与专职专业人员签订劳动合同,且专职专业人员符合国家规定的职业年龄
④  D.专职专业人员人事档案关系由国家认可的人事代理机构代为管理
【单选题】 某导线全长620m,纵横坐标增量闭合差分别为<img width="162" height="19" src="data:image/png;base64,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"/>,则导线全长相对闭合差为( )
①  1/2200
②  1/3100
③  1/4500
④  1/15500
【判断题】 <img src=https://huaweicloudobs.ahjxjy.cn/5F4E584AE73705B21E8BD9BE27DC75A4.png title=8.png alt=8.png/>
①  正确
②  错误
【判断题】 <img src=http://60.205.157.60/course/a@A357489B047C7DC4B006269CA8DD6C76.png title=U(4B6L9~`9JS5{}4P25O}HQ.png alt=U(4B6L9~`9JS5{}4P25O}HQ.png/>
①  正确
②  错误
【单选题】 若有以下说明,int?a[12]={1,2,3,4,5,6,7,8,9,10,11,12};?则数值为4的表达式是()
①  a[4]
②  a(3)
③  a[3+1]
④  a[4]-a[0]
【判断题】 <img src=http://60.205.157.60/course/a@1F9FDE6B4C224741491C5602CDC3A2E8.png title=})K5GOYRV8R9C_2I427DRO6.png alt=})K5GOYRV8R9C_2I427DRO6.png/>
①  正确
②  错误
随机题目
【单选题】 在用四气分析仪测试复合式车辆废气时:技术员甲说当混合气较浓时,O2读数会偏低;技术员乙说混合气较浓时,CO读数较高。
①  只有甲正确
②  只有乙正确
③  两人均正确
④  两人均不正确
【单选题】 在将仪器的测试线与诊断座连接时,点火开关
①  应置于ON位置
②  应置于OFF位置
③  应置于RUN位置
④  置于各种位置均可
【单选题】 检测电控汽车电子元件要使用数字式万用表,这是因为数字式万用表
①  具有高阻抗
②  具有低阻抗
③  测量精确
④  读数准确
【单选题】 减速时( )排放量最少,( )排放量显著增加
①  NOx……HC
②  NOx……CO
③  HC……CO
④  CO……HC
【单选题】 闭环控制系统将输出信号通过反馈环节在( )信号进行比较,从而修正输出信号的控制系统称为闭环控制
①  输入与输入
②  输入与输出
③  输出与输出
④  输出与输入
【判断题】 装用电控节气门系统的发动机不需装用怠速控制阀
①  正确
②  错误
【判断题】 喷油量控制是电控燃油喷射系统最主要的控制功能
①  正确
②  错误
【判断题】 机油细滤器滤清能力强,所以经过细滤器滤清后的机油直接流向润滑表面
①  正确
②  错误
【判断题】 在电喷发动机的任何工况下均采用的是闭环控制
①  正确
②  错误
【判断题】 二氧化锆氧传感器输出特性是在空燃比14.7附近有突变
①  正确
②  错误