①You mustn't walk around during landing.    A. On a bus

②You mustn't talk to the driver.         B. On a train

③You must wear a helmet .          C. On a bike

④You must wear a seatbelt.           D. On a car

⑤You mustn't put your head out of the window.   E. On a plane

⑥You must wear a lifejacket.       F. On a boat

根据图片把下列词组的序号填入相应的位置。

A. No smoking     B. Don't walk on the grass    C. Stop         D. Go          

E. No talking F. Smile G .Don't touch

① ②   ③ ④

⑤ ⑥ ⑦

把单词填入相应的位置。

A. pedal    B. tire   C. helmet    D. seat    E. pump 

F. brakes    G. handlebars

①math Chinese

②swim jump

③exciting difficult

monkey, seventeen, three, forty, pear, sunny, T-shirt, snowy, orange, rabbit, jeans.

①cheer for              A.小心

②read the sign          B.碰撞到

③elbow pads             C.阅读标志

④自行车比赛           D. the bike race

⑤watch out for             E. 护肘

⑥crash into           F. 为……喝彩

①报名表                A. fill out

②填写                  B. the entry form

③自行车赛              C. cycling shoes

④自行车专用鞋          D. the bike race

⑤at first                 E. 好运

⑥good luck              F. 首先

①pddles    

②nmber   

③neighborh d    

④slppry   

⑤ffcial   

  ⑥cmptitor  

⑦m nt n        

  ⑧hlmt   

⑨cmptition