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If an accident happens, you may get hurt. 2. 如果在大街上騎車,你必須要小心。? Yesterday Kangkang saw a traffic and his friends talked about the serious riding do you think it is dangerous to travel by bike ? Let?s think back of(回想) the traffic accident. ask about have an accident badly hurt call 120 at once send… to the hospital Advantages(優(yōu)點(diǎn)) 1. __________ 2. __________ 3. __________ … Disadvantages(缺點(diǎn)) 1. __________ 2. __________ 3. __________ … We all know many advantages of riding bicycles a lot,but we know few disadvantages of riding bicycles .Now I tell you think1. It is broken easily when we climb the higher it?s rainy,we may be wet on the fall down isn?t suitable(適合的) to ride a long way. Although it has many disadvantages, I also like riding bicycle .Today we will go on learning … Word information useless adj. 沒用的 use v. → useful careless adj. 粗心的 care v. → careful helpless adj. 沒幫助的 help v. → helpful adj. 有幫助的 [?s?f?ks] 后綴 Word i