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
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。