问题
选择题
The two girls are twins. ____ names are Lucy and Lily. [ ]
A. their
B. They're
C. Their
D. Theirs
答案
答案：C
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The two girls are twins. ____ names are Lucy and Lily. [ ]
A. their
B. They're
C. Their
D. Theirs
答案：C
《驾驶员守则》中的部分安全距离图示和表格：请根据该图表计算：
| 车速V（km/h） | 反应距离s(m) | 刹车距离x(m) |
| 40 | 10 | 16 |
| 60 | 15 | 36 |
| 80 | A= ( ) | B= ( ) |
(2) 如果路面情况相同（汽车刹车的加速度相同），请填上表格中B的数据。