时下网络文学、网络音乐、网络剧、微电影、网络演出、网络动漫等新兴文艺类型层出不穷，已成为中国文艺发展的新增量，引起社会各界广泛关注。同时，专家提出，百花竞放、蓬勃发展的网络文艺，在培育和弘扬社会主义核心价值观方面责无旁贷。对此我们的正确理解是（   ）

①我们应该大力发展为人民大众所喜闻乐见的大众文化

②我们必须增强辨别不同性质文化能力，自觉抵制网络文化

③建设文化强国必须坚持走中国特色社会主义文化发展道路

④促进传统文艺与网络文艺创新性融合是文化建设的方向

阅读材料，完成下列要求。

材料一 （王景）迁庐江太守，先是百姓不知牛耕，致地力有余而食常不足。郡界有楚相孙叔敖所芍陂稻田。景乃驱率吏民，修起芜废，教用犁耢，由是垦辟倍多，境内丰给。是岁，牛疫。京师及兰州大旱，诏勿收兖、豫、徐州田租、刍稿（汉代的一种税收），其以见谷赈给贫人。

——摘自《后汉书》卷七十六、卷三

根据材料一概括当时农业发展状况。

下列各句中，没有语病的一项是（   ）

根据短文内容及首字母提示，填写所缺单词，使短文意思完整，每空只填一词。
    Millions of American children attend summer camp. Traditional American summer camps offer young people a c____  to play many sports. These camps may be in the mountains. Or they may be in the woods, or at a lake. O____   camps teach activities like painting or music. Or t____ teach computer programming or foreign languages. Children at all kinds of camps m____  new friends. They learn new skills and develop independence (独立).
    Some children go to camp d____  the day and return home at night. These places are c____  day camps. Children as y____  as four years old attend day camps. Others stay at camp all day and all night. Most children w____  attend overnight camp are between the ages of about six and sixteen.
    Children s____  at an overnight camp for between one and eight weeks. P____  can pay less than one-hundred dollars a week for an overnight camp. Or they can pay more than seven-hundred dollars a week.