|
 
- 精华
- 1
- 积分
- 2608
- 经验
- 2608 点
- 威望
- 260 点
- 金钱
- 260 ￥
- 魅力
- 260
|
题目看不懂
GWD2
Q6..The figure above shows the dimensions of a semicircular cross section of a one-way tunnel.The single traffic lane is 12 feet wide and is equidistant from the sides of the tunnel.If vehicles must clear the top of the tunnel by at least ½ foot when they are inside the traffic lane, what should be the limit on the height of vehicles that are allowed to use the tunnel?
A.5½ ft
B.7½ ft
C.8 ½ ft
D.9½ ft
E.10 ft
Answer: b |
|
