下列各项中,成语的书写完全正确的一项是( )
A:暗然失色 按部就班 不径而走 暴殄天物
B:好高鹜远 噤若寒蝉 墨守成规 美仑美奂
C:饮鸩止渴 针砭时弊 振聋发聩 所向披靡
D:走头无路 励精图治 委曲求全 众口铄金
One day Eddie and Hobo looked at the ____. Eddie thought he saw a____but Hobo thought it was a ____. Because Hobo saw one ____. Eddie thought there were many bright ____and it was too____, so it couldn't be a plane.
方程cos2x-23sinxcosx=k+1有解,则k∈____