合理的饮食有利于青少年的健康成长。下列饮食习惯中科学合理的是（　　）

面对英美等国的封锁社会主义国家经济的情况，苏联采取的相应的措施是

依据统计数据绘制了如下尚不完整的统计图表．

古诗文阅读
                                                                                                                        襄邑道中 
                                                                                                                           陈与义
                                                                                                  飞花两岸照船红，百里榆堤半日风。
                                                                                                  卧看满天云不动，不知云与我俱东。