我国周边特别是海上方向安全面临的现实威胁呈上升趋势，（）正成为国际战略竞争和博弈的一个焦点。

A . 20世纪50年代到60年代 B . 20世纪60年代到70年代 C . 20世纪70年代到80年代 D . 20世纪80年代

A . 我国对外开放的程度，受国际政治、经济影响 B . 我国的对外开放政策发生根本变化 C . 世界市场对中国经济的影响越来越大 D . 中国的石油应走自给自足之路

A . 正确 B . 错误

A . A、局部战争 B . B、全局战争 C . C、武器装备落后 D . D、国防力量不够强大

A . 前苏联对中国的入侵 B . 前苏联的军事包围和封锁 C . 美国的全面遏制和军事包围 D . 台湾统一问题

A . 正确 B . 错误

A . 苏联霸权主义 B . 美国霸权主义 C . 美国全球战略 D . 台湾问题

A . 正确 B . 错误

A . A、政治威胁 B . B、军事威胁 C . C、武装冲突

A . 正确 B . 错误

是 否

选项格式A.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy. B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy. C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability. D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in ChinA.With the rapid development of industrialization and urbanization of China's economy, haze appears in a large number of cities and their surrounding areas, which is considered to be one of the major realistic problems facing the sustainable development of China's social economy. B.Along with the stage of China's economy entering the rapid development of industrialization and urbanization, the smog phenomenon has appeared in many cities in China and its surrounding areas, and is considered to be one of the major practical problems facing the sustainable development of China's social economy. C.As China has seen rapid industrialization and urbanization, smog prevails in a large number of Chinese cities and their surrounding areas, and is considered one of the major problems threatening China’s social and economic sustainability. D.With China's economy entering the stage of rapid industrialization and urbanization, smog phenomenon appears in a large number of cities and their surrounding areas in Chin选项格式A. It is considered to be one of the major practical problems facing China's sustainable social and economic development.