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【简答题】
阅读理解。 An old woman went suddenly blind. She promised a doctor a lot of money if he could make her see again. 'If you fail,' she said,'you will get nothing.”The doctor agreed. The doctor soon discovered what was wrong with her eyes,but he decided not to cure her right away. Instead, each time he visited, he secretly took away some of her things. When he had taken everything he wanted to cure her blindness and sent her a large bill. Now when the old woman could see again, she noticed that all her things had gone and she refused to pay the bill. So the doctor took her before a judge. “What the doctor says is true,' she said to the judge,'but I say I am not cured because I still cannot see any of the things in my house.“ The old woman won her case and the doctor went away unhappily without getting his pay. 根据短文内容,判断正(T)误(F)。 (     )1.There was something wrong with the old woman's right eye. (     )2. The doctor refused to cure the old woman. (     )3. From the story we may conclude that the old woman lived alone. (     )4. At last the doctor didn't get his pay. (     )5. The old woman was very clever.
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【简答题】非晶态聚合物先__,再__。晶态聚合物先__,再__。
【单选题】基于无线通信的列车运行控制系统( CBTC )的闭塞方法是( )
A.
移动闭塞信号系统
B.
半自动闭塞信号系统
C.
自动闭塞信号系统
D.
无线闭塞信号系统
【简答题】如图1,已知抛物线经过坐标原点O和x轴上另一点E,顶点M的坐标为 (2,4);矩形ABCD的顶点A与点O重合,AD、AB分别在x轴、y轴上,且AD=2,AB=3. (1)求该抛物线的函数关系式; (2)将矩形ABCD以每秒1个单位长度的速度从图1所示的位置沿x轴的正方向匀速平行移动,同时一动点P也以相同的速度从点A出发向B匀速移动,设它们运动的时间为t秒(0≤t≤3),直线AB与该抛物线的交点为N...
【简答题】地铁1号线正线信号系统采用基于无线通信技术的移动闭塞制式(CBTC)列车自动控制系统,同时还提供了在连续式ATP功能丧失情况下的iATP和联锁控制级列车防护系统,支持CBTC列车和非CBTC列车的安全混运。信号系统包括_____、_____、_____、_____四个子系统。
【简答题】如图2,已知抛物线经过坐标原点O和x轴上另一点E,顶点M的坐标为 (2,4);矩形ABCD的顶点A与点O重合,AD、AB分别在x轴、y轴上,且AD=2,AB=3. (1)求该抛物线所对应的函数关系式; (2)将矩形ABCD以每秒1个单位长度的速度从图2所示的位置沿x轴的正方向匀速平行移动,同时一动点P也以相同的速度从点A出发向B匀速移动,设它们运动的时间为t秒(0≤t≤3),直线AB与该抛物线的交...
【单选题】下面合法的E-mail地址是( )。
A.
mxf.wtu.edu.cn
B.
wtu.edu.cn@mxf
C.
mxf@wtu.edu.cn
D.
cn.edu.wtu.mxf
【简答题】如图1,已知抛物线经过坐标原点O和x轴上另一点E,顶点M的坐标为(2,4);矩形ABCD的顶点A与点O重合,AD、AB分别在x轴、y轴上,且AD=2,AB=3。 (1)求该抛物线的函数关系式; (2)将矩形ABCD以每秒1个单位长度的速度从图1所示的位置沿x轴的正方向匀速平行移动,同时一动点P也以相同的速度从点A出发向B匀速移动,设它们运动的时间为t秒(0≤t≤3),直线AB与该抛物线的交点为N(...
【简答题】如图抛物线过坐标原点O和x轴上另一点E,顶点M为 (2,4);矩形ABCD顶点A与点O重合,AD、AB分别在x轴、y轴上,且AD=2,AB=3. 小题1:求该抛物线所对应的函数关系式; 小题2:将矩形ABCD以每秒1个单位长度的速从图示位置沿x轴正方向匀速平行移动,同时一动点P也以相同速度从点A出发向B匀速移动,设它们运动时间为t秒(0≤t≤3),直线AB与该抛物线交点为N ①当t= 时,判断点P...
【判断题】控制中心(OCC)的广播控制台,可以通过无线通信系统,向列车上的乘客广播。()
A.
正确
B.
错误
【单选题】下面四项,合法的E-mail地址是( )。
A.
wang-em.info.net
B.
em.info.net-wang
C.
mailto:em.info.net@wang
D.
wang@sohu.com
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