下列说法错误的是

将细胞中下列结构和物质与其相应的功能用直线连接起来。
A细胞壁____                                                         a遗传信息的载体
B细胞膜____                                                         b保护和支持作用
C细胞核____                                                         c控制物质进出
D液 泡____                                                           d遗传信息库
E线粒体____                                                          e含有细胞液
F叶绿体____                                                          f动力车间
G染色体____                                                          g使光能变成化学能
HDNA____                                                            h由DNA和蛋白质组成

What _____ he usually ______ after class?              

计算：（$\sqrt{2}$+π）⁰﹣2|1﹣sin30°|+（$\frac{1}{2}$​）^﹣1= ____