题目

阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 The Financial Times gave part of my job to arobot named Amy last week. For years I have been making podcast version(播客)of my column, but now I am faced with a tough competition. To be fair, Amy (do) something going for her. She has a great voice, smooth asvelvet. Her(two) advantage is thatshe's practically free. She is part of a new service from Amazon that turns textspeech, costing-nearlynothing. Even more (impress) is her speed.Less than two seconds after receiving my (write) text, which mea如图所示，是小明在“探究平面镜成像的特点”的实验中所选用的器材和活动过程．（1）在探究活动中用玻璃板代替平面镜的目的是便于确定像的位置便于确定像的位置；（2）如果在图a中蜡烛像的位置上放一张白纸板做屏幕，则白纸板上将没有没有（填写“有”或“没有”）蜡烛的像；这说明：平面镜成虚像平面镜成虚像．（3）把蜡烛b放到a蜡烛像的位置上，将会看到图c所示的现象．这说明：物像大小相等物像大小相等．（4）如果将蜡烛向靠近镜面的方向移动，那么像的大小将不变不变（填“变大”、“变小”或“不变”）．