【单选题】Let's listen to the radio programme that the teather mentioned, ?
【判断题】零件表面粗糙度的选用,应该满足零件表面的公用要求,又要考虑加工合理。
【单选题】一辆重500kg的汽车,以30m/s行驶时熄火滑行。设滑行方程为【图片】,其中v表示车速,则车辆滑行多远才能把速度降至15m/s?
【单选题】Mary is _______ than a teather; she is a writer, too.
【单选题】Either the students or a teather __to the Guilin.
【单选题】The teather suggested that he_______the plan.
【判断题】混凝土浇筑中,当布料杆处于全伸状态时,严禁移动车身。
【单选题】Marry is more than a teather.
【单选题】That the child disturbed the class ______ made the teather very angry.
【单选题】During the first class,the teather laid____on the importance of education.