题目

----- Have you watched the football match last night ?    ----- Yes. It was exciting . It was a really _____ one. A. closely     B. close        C. closing        D. closed 答案：B某地里的一些玉米，有的穗子上出现缺粒现象，其原因是A.水分不足B.传粉不足C.光照不足D.营养不足