题目

It’s really unbelievable! Can you ________ her swimming across the English Channel?  A. believe           B. imagine          C. mind            D. think 答案：B我国水旱灾害频繁的根本原因是                   A.冬季风势力太强B.由于我国位于亚洲东部，太平洋西岸C.夏季风与雨带进退的“失常”D.西高东低的地势