小明的乡村发现：

寒假期间，小明随同父母回到了农村老家，感受到了很多的不一样。

老家在长城脚下一个宁静的村庄，抬头可以望见远处高高的烽火台。和想象中的不同，村子十分整洁干净，空气清新，山间有大片的果园，交通工具大多是摩托，偶尔也有私家车往来。

小明跟着父母到各位长辈家串门，发现村子里的人基本都能连上亲戚。舅奶奶喜欢剪纸，几张红纸在手里，“福字团花”“连年有余”“凤穿牡丹”等吉祥图案一会儿就出来了，小明饶有兴趣地看了半天。舅爷爷说，平时村子里人少，冷清得很，过年是村子里最热闹的时候，在外打工的年轻人都回来了，家家户户剪纸、贴窗花、包饺子、祭祖。

在村里住了几天之后，小明有点无聊了，没有什么事情可做，时间不好打发，带的书早已经看完了，附近连个像样的篮球场也没有，去镇子里看个电影要走很远。串亲戚吃过饭之后，就是玩牌、打麻将。小明开始觉得，老家的村子，少了一些东西……

阅读材料，运用《文化生活》知识回答：

这个村子在文化发展方面有哪些优势与不足？就促进当地的文化发展提出建议。

某粗盐固体样品中含有少量CaCl₂、MgCl₂、Na₂SO₄、MgSO₄和泥沙，进行以下操作可得到纯净的NaCl晶体：①加过量的NaOH溶液；②加H₂O溶解；③加过量的BaCl₂溶液；④过滤；⑤蒸发；⑥加过量的Na₂CO₃溶液；⑦加适量的稀盐酸，则正确的操作顺序是（   ）

D

    It's summer now and the weather is getting hotter. You are thirsty playing basketball or riding home from school. A cold drink may be just the thing. There are plenty of "energy drinks" on the market. Most of them have beautiful colors and cool names. The lists on them tell you they are helpful to your health. Sounds great! But be careful what you are drinking. Something that looks cool may not be good for your health.

    After a careful check you may find that most energy drinks have lots of caffeine (咖啡因) in them. These drinks are especially aimed at ( 以…..为目标) young people, students, busy people and sports players. Makers sometimes say their drinks make you better at sports and can keep you awake.  But be careful not to drink too much.

    Caffeine makes your heart beat fast. Because of this, the International Olympic Committee has limited (限制) its use. Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea. Possible health dangers have something to do with energy drinks. Just one box of energy drink can make you nervous, have difficulty sleeping and can even cause heart problems. Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them.

根据短文内容，选择最佳的答案。