巨鹿之战后，六国再也无力抵御秦国的攻势；秦朝为了抵御匈奴的进攻，修建了西起临洮，东到山海关的万里长城。   

（1）错误：                                                                                                                                 

         理由：                                                                                                                                 

（2）错误：                                                                                                                                

         理由：                                                                                                                                

反对形式主义，要着重解决（）的问题，教育引导党员、干部改进学风文风会风，改进工作作风。

A.工作不实

B.工作拖沓

C.效率低下

D.互相推诿