Goodmorning,everyone,IamLiHuafromXingguangMiddleSchool...

问题详情：

 Good morning, everyone,

I am Li Hua from Xingguang Middle School. The topic of my speech is “Let’s Ride Bicycles”.

As   1  (know) to us all,   2   the improvement of people’s living standards, cars   3  (become)a popular means of transport,   4  (bring) great convenience to our life.   5   , they have also caused some problems such as air pollution and traffic jams.

How can we solve the problems then? As far as I   6  (concern) , bicycles is a good solution. For one thing, bicycles don’t need any petrol and they are energy-saving. For   7  ,bicycles are   8   (environment) friendly because they won’t give off waste gas. What’s more, riding bicycles is a good way for us to exercise and it is beneficial to our health.

9  , let’s take the   10    (responsible) to build up a carbon city by riding bicycles. Come on and join us!

Thank you!

【回答】

known           become     ging    ver

concerned   her   ronmentally   efore   onsibility

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