单项选择题

2017年2月，国务院办公厅印发《关于促进建筑业持续健康发展的意见》。提出力争用（）年左右的时间，使装配式建筑占新建建筑面积的比例达到
A、5，15%
B、5，30%
C、10，30%
D、15，50%

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多项选择题

品牌延伸的强度受以下几个因素的影响：（） A. 品牌的定位强度 B. 品类相关性 C. 竞争强度 D. 品牌背后企业的技术深度

单项选择题

China has joined the multilateral group controlling the export of nuclear materials and technology in an important step to bring its policies on proliferation in line with those of Western powers. 以下断句更为恰当的是（） A. China has joined the multilateral group controlling the export of nuclear materials and technology // in an important step to bring its policies on proliferation in line with those of Western powers. B. China has joined the multilateral group controlling the export of nuclear materials and technology in an important step// to bring its policies on proliferation in line with those of Western powers.