下列措施不利于保持生态平衡的是（ ）
A．平湖改稻田
B．封山育林
C．荒坡变良田
D．禁止捕猎
答案：A
压力式温度计的毛细管最长可达（）米，便于远距离安装。
A、20
B、40
C、60
D、80
As all people hope, we dream to set up a world_____ people from all countries are treated equally and different views and opinions are accepted.
A．where
B．which
C．whose
D．what
