谁知道小学六年级上第一单元语文。数学。英语的试卷比较难的题目答:( ) 4. If you go by car or on foot, you must know the _ . A. lights B. traffic C. traffic rules ( ) 5. means ___. A. By bike B. No bike C. On bike三. Form the sentences(连词成句)1. How, go , do, to, you, school (?)2. I , by , go , Sometimes , bike...