一、题目略
1． This is a policeman．
2． I go to school by bike．
3． Let's watch TV．
4． There are many cars．
5． They are traffic lights．
6． Amy goes to school by bus．
5 1 4 3 6 2
二、1．D 2．B 3．A 4．C
三、题目略
1．一个头盔 2．小心，留意 3．traffic lights
4．减速 5．stop and wait 6．乘轮渡 7．ways
四、1．F 2．T 3．F 4．T 5．F