复习课件（29张ppt）.ppt
(共35张PPT)
Unit 4 Revision
Films and film events
Part Ⅰ 重点词汇通关
1. expose vt. 使接触, 使体验, 使面临; 暴露, 显露,
揭露;(照片)曝光
【语境检测】用所给词的适当形式填空
①When robins ___________(expose) to light at night in
the lab, it leads to some genes being active at the
wrong time of day. ?
are exposed
②Moreover, in an envir...