【单选题】The minister refused to give any ____on the fact that many workers were out of jobs.
【单选题】The minister refused to give any _____ on the fact that many workers were out of jobs
【单选题】The minister refused to give any _____ on the fact that many workers were out of jobs.
【判断题】当污染物的数量小于水体的环境容量,水体对它有自净能力,否则水体对它无自净能力。
【多选题】大学时代是青年学生形成系统的( )的关键时期
【单选题】有油平面外调装置的化油器,在调整浮子室油平面时,一般应使发动机处于()
【多选题】• 大学时代是青年学生形成系统的( )的关键时期
【单选题】The minister refused to comment on _______ cases.