可以利用 background-position 属性改变图像在背景中的位置，下列CSS代码中，设置背景图位于中部上方的代码是

A . 整体审察 B . 四诊合参 C . 病证结合 D . 见微知著 E . 司外揣内

A . 正确 B . 错误

A . 通信规模 B . 通信运行 C . 通信服务能力 D . 通信管理

A . 不可更新的资源 B . 可更新的资源 C . 永可更新的资源

A . 列车 B . 铁路列车 C . 货物列车 D . 旅客列车

A . 物种结构 B . 时间结构 C . 营养结构 D . 立体结构

A . 直通列车 B . 区段列车 C . 摘挂列车 D . 小运转列车

A . 正确 B . 错误

A . IMViC反应结果 B . 动力 C . 革兰染色 D . 溶血 E . 发酵乳糖

A . 导电性 B . 热膨胀性 C . 易熔性 D . 导热性

A . 正确 B . 错误

A . 正确 B . 错误

A . 正确 B . 错误

A . 正确 B . 错误

A、设置元素的背景颜色 B、把图像设置为背景 C、设置背景图像的起始位置 D、设置背景图像是否及如何重复

A．背景图片向左偏移5px，向下偏移10px B．背景图片向左偏移5px，向上偏移10px C．背景图片向右偏移5px，向下偏移10px D．背景图片向右偏移5px，向上偏移10px

</span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">A.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">招标人不可以授权评标委员会直接确定中标人</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">B.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">评标委员会成员对其评审意见承担个人责任</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">C.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">履约保证金不得超过中标合同金额的</span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">10%</span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">D.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">国有资金控股的依法必须进行招标的项目，排名第一的中标候选人为中标人</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">E.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">招标人可以与投标人就投标价格、投标方案等实质性内容进行谈判</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span>

</span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">A.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">施工企业超越资质等级订立的合同</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">B.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">施工企业中未获得相应授权的人员订立的合同</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">C.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">建设单位为洗钱而订立的施工合同</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">D.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">显失公平的合同</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span><span lang="en-us" style="font-size: 9pt; font-family: &39;times new roman&39;, serif; background-color: white; background-position: initial initial; background-repeat: initial initial; ">E.</span><span style="font-size: 9pt; font-family: 宋体; background-color: white; background-position: initial initial; background-repeat: initial initial; ">一方乘人之危与他人订立的合同</span><span class="apple-converted-space"></span><span lang="en-us" style="font-size: 9pt; font-family: calibri, sans-serif; "> </span>

A．2分子乳酸和2分子ATP B．1 分子乳酸和2分子ATP C．乳酸、乙醇、 CO2 D．乳酸、乙酸、 CO2

A．图像距离body元素的右、 上边缘分别是20px 40px． B．图像距离body元素的左、 上边缘分别是20px 40px． C．图像距离body元素的左、 下边缘分别是20px 40px． D．图像距离body元素的右、 下边缘分别是20px 40px．