下列具有镇痛作用的药物，错误的是（） A.丹参 B.川芎 C.延胡索 D

He was good at arts, but ______, he was studying hard ______ being admitted to an engineering college.

A．strange enough; in the hope of

B．strangely enough; in the hope of

C．strange enough; in the hope that

D．strangely enough; in the hope that

．—Without your help, we _____ this task on time.

—My pleasure.

A．don’t finish

B．will not finish

C．didn’t finish

D．would not have finished

某分部工程双代号网络计划如下图所示，其关键线路有( )条。

A．2

B．3

C．5

D．4

对地面重要场所，要建立日常巡查制度，保证矿区安全。

澶渊之盟