问题
单项选择题
曲线段外轨加高，规定600㎜轨距不得超过（）
A.70㎜
B.30㎜
C.50㎜
D.60㎜
答案
参考答案：C
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曲线段外轨加高，规定600㎜轨距不得超过（）
A.70㎜
B.30㎜
C.50㎜
D.60㎜
参考答案：C
| 完形填空。 There are __1__ people in my family, my father, my mother, my sister and I. My father __2__ mother are teachers. My father __3__ maths. My mother __4__ maths. She is a teacher of English. They __5__ hard. My sister is a worker. She __6__ English at a night English. She goes to work early. She __7__ lunch at home. She usually comes home from work at 5:30. Today is my __8__ birthday. Now we are sitting together. We are having our supper. There __9__ fish, chicken and meat on the table. In the middle of the table there is a big cake. My sister is singing an English song "Happy birthday to you." We are all very _10__. | ||||
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