单选题 Don"t ______ the camera ______ unless you are sure you can put it together.
【正确答案】 D
【答案解析】本题考查动词短语辨析。take sth. apart“把…拆开”；take…off…“把…从…上取下来”；work out“做出，制定出”；set off“动身，起程”。句意为：除非你有把握能重新组装到一块，要不然不要拆开相机。