切线支距法测设圆曲线不适用于曲线外侧开阔平坦的场地。
参考答案:错
But when I got ____ the town ought to have been, all I found was a gas
station.
A.what
B.which
C.where
D.that
设函数f(x)在(-∞,+∞)连续,其导函数f’(x)的图形如图(1)所示,则