下列说法中,不正确的是( ) A . 温度越高,加蛋白酶洗衣粉的去污效果越好 B . 浓硝酸使皮肤呈黄色是由于浓硝酸与蛋白质发生了颜色反应 C . 用双缩脲试剂可以鉴別蛋白质和氨基酸 D . 核酸对遗传信息的储存、蛋白质的生物合成起着决定性作用 答案:AChina sent up Shenzhou VII manned spaceship into spaceship successfully, which shows that science and technology ______ rapidly in China. A. has been developing B. develops C. developed D. has developed