中国民航C波段卫星通信网的备用网控站设在()。
A、10.110.12.0
B、10.110.12.30
C、10.110.12.31
D、10.110.12.32
参考答案:B
生活在印度尼西亚加里曼丹岛的达雅克人聚居的高脚屋,长达200米。这样的生活习惯受下列哪些自然条件或民族习俗的影响
A.山坡地区
B.气候湿热,人们过着聚居生活
C.气候严寒
D.热带干旱,人们过着游牧生活
He tried to deal with the increasing burden of his work, but he finally ______ and had to take a complete rest.
[ ]
A. broke off
B. broke away
C. broke out
D broke down