【题目】To _____________ the world for help, the stars launched a campaign to help the refugees.
A. end upB. appeal to
C. leave behindD. cater for
在线课程【答案】B
【解析】
考查动词短语辨析。句意：为了呼吁全世界的帮助，明星们发起了一场帮助难民的运动。A. end up结束；B. appeal to呼吁；C. leave behind留下；遗留；D. cater for迎合。根据下文help the refugees以及句意故选B。