题目

Stuart and Steve were twin brothers. Stuart loved to play basketball. But Steve loved to read books. One day Stuart was playing basketball   41   he fell and broke his leg. When they took him to the hospital, the doctor said he wouldn’t be able to play for six months. Steve went   42   him and brought him books on basketball. At first Stuart wasn’t going to read them. Then he began to read them and   43   that there were ways he could play basketball better. He began to think that books weren’t that   44  . When Stuart’s leg started getting better, Steve would he下列说法中，不能用元素周期律解释的是A. 向淀粉KI溶液中滴入溴水，溶液变蓝 B. 与冷水反应的速率：Na＞MgC. 浓硝酸的氧化性强于稀硝酸 D. 原子半径：Al＞Si＞P