题目

The workers’ appeal for increasing salary is worth ________. A. considered            B. considering          C. to be considered         D.being considered 答案：B在图所示的四种情景中，属于光的反射现象的是（ ）A．路灯照射下的影子B．透过放大镜看古玩C．看到地面上不发光的物体D．钢笔“错位”了