The review experienced a serious goal: to investigate the modifications that happen during the human physique in the course of extended-length spaceflight. Lying in a very horizontal place was the simplest way of (33)…… weightlessness. C. hasn't existed in classrooms D. hasn't been utilized adequately in classrooms HĐ trải nghiệm, https://onthihk77665.thenerdsblog.com/36122995/a-review-of-on-thi-ghk-1-tieng-anh-12