【判断题】齿轮齿条式转向机构的转向输入为与转向轴相连的从动小齿轮,转向齿条与横拉杆相连带动车轮偏转。
【单选题】----What were you doing this time yesterday? ----I ________ my homework at John’s house.
【单选题】The trucks passing up and down the street are damage to our house and historic interest. [ ]
【判断题】铜绿丽金龟1年发生1代,以成虫或2龄幼虫在土中越冬。( )