题目内容：

    A motorcyclist should generally follow the driving rules which apply to all motor vehicles. However, because of the nature of the vehicle, the following additional safety measures should apply to the operation of a motorcycle.

1. Because of in stability in case of sudden stops, following distances should be greater than for cars.

2. The proper position of the foot while the motorcycle is moving is resting on peg (脚蹬)and keeping foot straight.

3. Helmets must be worn for head protection in case of an accident.

4. Allow the engine to warm up before starting.

5. Drive slowly and use extreme caution on surfaces which are slippery because of ice, snow, sand, mud, etc. to guard against falling.

6. When operating a motorcycle at night you should travel near the center of the right-hand lane at reduced speed.

7. A passenger shall not be carried unless the vehicle is equipped with a seat designed to carry two persons.

8. Avoid going between the cars. A passenger may suddenly open the door to leave the car.

9. Drive in traffic only after developing skill in the control of the motorcycle away from traffic.

10. A screen must be used or eye glasses worn to protect the eyes.

1.From the contents and the writing style, we can infer it is a(an) ______.

A.note B.instruction C.notice D.advertisement

2.When we operate a motorcycle, we should______.

A.do some warm-up exercises first.

B.wear helmets just in case.

C.avoid driving in traffic.

D.never carry a passenger..

3.Which of the following can best summarize this passage?

A.Good Driving Habits B.Enjoy Driving Motorcycles

C.Functions of Motorcycles D.Avoid Using Motorcycles