题目内容：

Traffic rules around the world

Traffic rules are made to keep order on the road. Some traffic rules in some countries are quite         . Travelers should             these rules if they are planning to explore these countries by car.

Some interesting traffic rules are related to     . One strange traffic law in Massachusetts, U.S.A.(美国马萨诸塞州） says that gorillas are followed to travel in a car. However, they can only ride in the passenger seat. Drivers will        a fine if they allow a gorilla（大猩猩） to ride in the backseat.

    Many people like to take dogs in their cars. In Italy, drivers who take their cars. In Italy, drivers who take their dogs on a road trip are required to fasten their dog's seat belt. In Germany, dogs and other pets are considered cargo（货物）.          there is no safety belt rule, pets must be protected against slipping and falling in the vehicle.

Speeding is usually judged by a speed camera. However, in speed zones of 30km/h or less, traffic police in Austria can use their own judgment to estimate the speed of a car. Depending on the policeman's guess, sometimes drivers may receive a speeding ticket even though they traveling            the speed limit.

1.A. unknown              B. common       C. popular          D. unusual

2.A. be used to        B. be connected to   C. be aware of   D.be ready for  

3.A.people         B. animals      C. plants         D. environment

4.A. face        B. take       C. offer          D. afford

5.A. Since       B. While     C. After          D. Before

6.A. above              B. over           C. in            D. Under