The actress is already 50, but she looks ______ than she really is.
A:young
B:more young
C:more younger
D:much younger
下面是九年级某位同学在学习第一、二次工业革命有关内容时制作的表格:
小肠吸收来的葡萄糖送到脑部利用并将细胞产生的含氮废物转变成尿素,送至肾脏排出,整个过程中血液经过心脏和肺的次数依次是( )