【简答题】对于某一自变量为x的函数,若当x=x 0 时,其函数值也为x 0 ,则称点(x 0 ,x 0 )为此函数的不动点.现有函数y= 3x+a x+b , (1)若y= 3x+a x+b 有不动点(4,4),(-4,-4),求a,b; (2)若函数y= 3x+a x+b 的图象上有两个关于原点对称的不动点,求实数a,b应满足的条件; (3)已知a=4时,函数y= 3x+a x+b 仍有两个关于原点对称的...
【简答题】阅读理解。 The time of a baby is born can decide what jobs they will work on in later lives, a new study has suggested. Being born in a certain month seems to show the statistical (统计学的) likelihood (可能性) o...
【判断题】正常行驶的车辆,发动机的转速决定于行驶速度,负荷取决于行驶阻力。
【单选题】进行鸡外貌鉴定、体尺测量要用到的工具有软尺、台秤以及:
【简答题】背景资料
某10联现浇预应力混凝土连续箱梁桥地处山岭重丘区,跨越河谷,起点与另一特大桥相连,终点与一隧道相连。部分桥跨布置示意图如图4-1所示。 图4-1部分桥跨布置示意图
该项目在招投标和施工过程中发生如下事件:
事件一:招标文件中的设计文件推荐连续箱梁采用移动模架法施工,因现场场地受阻、模架在该桥梁终点处的隧道内拼装,然后前移逐孔施工。但某施工单位进场后,发现隧道标未开工(另一施工单位承...
【简答题】阅读理解:阅读下面的短文,根据文章内容进行判断,正确写“T”错误写“F”。 Xiaoyan, I thought you’d like to know what has happened to your report about improving the website. Last week I had a meeting with the designers. I gave them a co...
【单选题】Directions: There are five reading passages in this part. Each passage is followed by four questions. For each question there are four suggested answers marked A, B, C and D. Choose one best answer an...
【单选题】( )是指结构实际需要而定的起始位置标高。
【判断题】直接标价法下,远期汇率 = 即期汇率+外汇贴水