问题
单项选择题
机车信号设备利用简易环线测试时,环线要求使用的电缆芯线面积要求不小于()。
A.5.0mm2
B.2.0mm2
C.1.5mm2
D.1.0mm2
答案
参考答案:D
机车信号设备利用简易环线测试时,环线要求使用的电缆芯线面积要求不小于()。
A.5.0mm2
B.2.0mm2
C.1.5mm2
D.1.0mm2
参考答案:D
从方框中选择正确选项。完成短文.并将其字母序号写在短文后面的空格内。(方框中有两个选项是多余的)
![]() Sometimes, life isn't as perfect as we imagine. If so, what will you do? Liu Wei, the famous pianist 1 arms in China, is a good example. He lost his arms in a 2 accident when he was only 10 years old. However, he wanted to keep his dream. He learned to swim in a recovery( 康复) hospital when he was 12. Two years 3 , he won two gold medals in a National Swimming Championship for the disabled. After that, he began to learn how to type with his feet. He 4 the world record and became the person who could type 5 with his feet. In the following years, he started learning to play the piano. Last year, he became the 6 of China' s Got Talent Show( 中国达人秀). He always says, " There are two ways in my life. I will 7 live a wonderful life or die. " We can learn 8 from Liu Wei. No matter how hard the life is, keep smiling to ourselves. Martin Luther King has ever said, " We must accept( 接受) disappointment in our life, but we must never lose our 9 " What he said is quite true. When we 10 difficulties. Please face them bravely. Where there is a will, there is a way. |