题目

There is a lot of talk these days about how kids should be interested in science． Here's an area of science for everyone， and these cool new books might inspire you to discover your inner scientist．Scaly Spotted Feathered Frilled by Catherine Thimmesh， 58 pages， ages 9﹣12Seeing a picture or a model of a dinosaur， do you wonder how anybody knows what they look like？ After all， nobody has seen a living dinosaur． This book explains how scientists and artists work together to re﹣create dinosaurs． As scientific discoveries have been made， the models have changed． Scienti下列叙述中错误的是A. 原子半径：Cl>S>O B. 还原性：Na>Mg>AlC. 稳定性：HF>HCl>HBr D. 酸性：HClO4>H2SO4>H3PO4