确定或变更备用车基地站名和基地的最大容车量时,须经()批准,以铁路局文件公布并报铁道部备案。《调规》21条
A、铁路局
B、铁道部
C、货调
D、车务段
参考答案:B
阅读理解
Hello! Boys and girls. Good morning. Nice to meet you. I am your English teacher. My name is Linda Miller. You can call me Miss Miller. I am from (来自) the USA. I am 22 years old. Now I am in Beijing
China. I am happy to be your teacher. I hope (希望) you can like me and like English. Thank you. Oh, my phone number is 2668378.
1. What's the teacher's name?
____________________________________
2. Where is Miss Miller from?
3. How old is Miss Miller?
4. What's Linda's phone number?
5. What can you call(称呼)the teacher?
若函数f(x)在区间[a,b]上为减函数,则f(x)在[a,b]上( )
A.至少有一个零点
B.只有一个零点
C.没有零点
D.至多有一个零点