Question

Jumping out of _______ train running at a speed of 200 kilometers per hour is quite _____ dangerous practice.

A．/; the

B．/; a

C．a; a

D．the; the

Answer 1

C

前一空表示某一列火车，表示泛指，所以用a，第二空说，这是一次危险的经历，所以也是用a。