下列属于文化现象的是( )①2013年3月5日,第十二届全国人民代表大会第一次会议在北京召开②第二十二届冬季奥林匹克运动会于2014年2月在俄罗斯索契开幕③2014年10月,上里古镇开展民俗活动庆国庆④2014年9月,央行出台新政松绑房地产市场
_______ for several weeks, the city was short of food and clothing.
We walked as fast as we could, _______ to catch the 9:30 train.
It is essential that every child _______ the same educational opportunities.
The scientists are beating their brains trying to _______ a solution to the problem.
It was _______ back home after the experiment.