题目

SuperCampsWe are a leading provider of childcare in the UK, offering OFSTED registered holiday camps to children aged 4 to 14 throughout the school holidays. Operating at 60＋ locations, we have holiday camps available in London and the South East, as far south as Cornwall and all the way up to North Yorkshire. Whether you are looking for fun holiday clubs and kid activities, a five-day specialist holiday camp for older children or a combination of the two to keep your children entertained throughout the school holidays, we have your childcare covered!Our multi-activity holiday camps offer an为便于测量或观察现象，实验中我们经常会对实验进行优化改进。下列采取的措施不合理的是（ ）A. 可以在鼓面上放纸屑，通过纸屑跳动高度反映鼓面的振幅大小B. 在研究烛蜡熔化特点的实验中，采用“水浴法”加热，使烛蜡受热均匀C. 为了显示光在空气中传播路径，可以在空气中喷洒烟或雾D. 在探究平面镜成像时，为了使跳棋子的像更清晰，我们用手电筒照亮玻璃板