自行车是我们使用最多的交通工具,安全骑车要注意做到 ①    

自行车是我们使用最多的交通工具,安全骑车要注意做到

     在非机动车道上靠右行驶

②时速保持在40—60公里

③经常检修自行车、要保持铃响、刹车闸灵

④不相互攀扶、不戴耳机听音乐

A.①②③④        B.①②③            C.①③④

答案

C

相关题目

The government has to close those small factories to prevent the water of the ri
The government has to close those small factories to prevent the water of the river___.        A. from polluting   B. polluted     C. polluting    D. being polluted
16.下列词语中划线字的读音,有错误的一组是(  ) A.牛
16.下列词语中划线字的读音,有错误的一组是(  ) A.牛虻(méng)     氓隶(méng)   魍魉(wǎng)  欺罔(wǎng) B.草菅人命(jiān) 绾结(
—David, how old is your father this year?—______. And we just had a special
—David, how old is your father this year?—______. And we just had a special party for his _____ birthday last weekend.        A. Fortieth; forty           B. Forty; forty     
食用下列物质与人体所需微量元素无关的是(    ) A.铁强化
食用下列物质与人体所需微量元素无关的是(    ) A.铁强化酱油   B.加碘食盐   C.富锌面粉   D.高钙牛奶
将直线x+y-1=0绕点(1,0)顺时针旋转后,再向上平移一个单位,这时
将直线x+y-1=0绕点(1,0)顺时针旋转后,再向上平移一个单位,这时恰好与圆:x2+(y-1)2=R2相切,则正数R等于________________.
 “低碳生活”已成为时髦的话题,保护植被和大面积绿化是
 “低碳生活”已成为时髦的话题,保护植被和大面积绿化是降低大气中二氧化碳含量的有效方法,对改善人类的生存环境有重大意义,其原因之一是植
在种子萌发时,最先突破种皮的是(   )       A.胚芽 
在种子萌发时,最先突破种皮的是(   )       A.胚芽                   B.胚轴                    C.胚根               
On a cold November afternoon,  my mother and I were walking home from a pizza s
On a cold November afternoon,  my mother and I were walking home from a pizza store. We were dressed   1  and equipped with the rented video we had been   2   to watch. I was feeling a little

最新题目