语法与词汇
16.Seeing the big crowd coming towards him, he started to run down the hill, but ______ and went down on his hands and knees in the melting snow.
【正确答案】
C
【答案解析】句意：看到一大群人朝他走过来，他开始朝山下跑去，但是他滑倒了，并且双手双脚扑倒在了融化的雪上。A项意为“沉没”；B项意为“滑雪”；C项意为“滑倒”；D项意为“用信号通知，标志”。只有C项符合题意，答案选C。