1. 다음 글을 읽고, 밑줄 친 it이 가리키는 것을 고르시오.

It acts in four ways. It extends time it takes your body to stop. It spreads the force of impact. It decreases the contact with the inside of the car. It protects your body from being thrown out of the car.

① brake         ② windshield        ③ front door

④ seat belt     ⑤ steering wheel

2. 주어진 문장 뒤에 이어질 글의 순서로 가장 적절한 것은?

Staying a certain distance from the car in front of yours is vital for having enough time to avoid hitting the car.

가. Before you even hit the brakes, there is a period of time called 'thinking time' or 'reaction time.'

나. If the car in front makes sudden stop for some       reason, you must also make a quick stop.

다. That means the time between the moment you see the danger ahead and the moment your body moves  to react.

① 가-나-다    ② 가-다-나    ③ 나-가-다

④ 나-다-가    ⑤ 다-나-가