【题目】It snowed heavily; ______, lots of flights have been put off until further notice.
A.or elseB.as a result
C.as wellD.as a matter of fact
在线课程【答案】B
【解析】
考查短语辨析。句意：雪下的很大；结果，许多航班被推迟，直到另行通知。A. or else 否则；B. as a result结果；C. as well 也；D. as a matter of fact事实上。根据句意可知，前后是因果关系。故选B。