— _____________ any books on the shelf?

— Yes, _____________.[ ]

A. Is there; there is

B. Are there; there are

C. Is there; they is

在高速公路驾驶机动车意外碰撞护栏时采取什么保护措施？

A．握紧转向盘，适量修正

B．迅速向相反方向转向

C．迅速采取紧急制动

D．迅速向碰撞一侧转向