2019-2020 学年度第二学期初三年级英语练习 19-26 BADCD, CBD 27-34 CADBD, BAC 35-38 CADB, 39-42 BCCD 43-45 BDD 46-49 CBCD51Yes. 52. Much needed oxygen for the brain.53, By using our imagination and connecting it with something that we are familiar with./ By using imagery54.Because only a regular review can make the memory last long.55. The passage is mainly about how to improve our memory.