【单选题】The river was high because it ___ for several days. [ 时态考点 ] A. has been raining B. was raining C. has rained D. had been raining
【简答题】用剪子剪断钢丝时,钢丝发生剪切变形的同时还会发生 变形。
【简答题】what color is it ? 2. It(The light) is green ! 3.It’s raining ! I don’t have an umbrella! 4.Excuse me , I am looking for my little sister 5. What does she look like ?
【单选题】{信}设置屏幕显示属性时,与屏幕分辨率及颜色质量有关的设备是( )
【单选题】主、辅操舵装置在任何舵位转换时间不得超过________。
【判断题】用剪子剪断钢丝时,钢丝发生剪切变形的同时还会发生挤压变形。