The meat is _____dear and eating ____meat is bad for your health.

A．too much,much too

B．too much,too much

C．much too,too much

D．much too,much too

塔式起重机的安全保护装置不得随意调整和拆除，严禁用限位装置代替（）机构。

A.传动

B.变速

C.操纵

D.制动