北极圈的度数和指示的方向是（　　）

小明探究“不同物质的吸热能力”时，在两支相同的试管中分别装入质量相等、温度相同的水和煤油，用一个酒精灯同时对两支试管加热，加热一段时间后，温度计示数如图所示．

（1）指出图中使用酒精灯的错误：____ ．

（2）水和煤油比较，____ 吸热能力强．

（3）加热一段时间后，煤油的温度升高了4℃，则水的温度升高了____ ℃．

c_水=4.2x10³J/（kg•℃），c_煤油=2.1x10³J/（kg•℃）．

材料二:因栗子的外包装牛皮纸袋上写有“杭州最好的炒货店铺"，杭州方林富炒货店受到杭州市西湖区市场监督管理局的处罚，被要求停止发布使用顶级词汇的广告，并被罚款20万元。

    Many people are interested in talking about life in the future. Some people 1 that life in the future will be easier and more comfortable. But others believe that it will be worse and more difficult than now. As for me, I 2 the idea of the first team.

    First，as for education, people will have 3 education .This is because of technology (科技). E-books will replace (取代) common books, robots will replace teachers, and students will not have to go to school every day. They will 4 at home through online teaching and will find learning more interesting.

    Second, people' s 5 will improve. Technology will also play a very important role. New medicine will help people get better quickly. Robots will help doctors and sometimes replace 6 Also, doctors will be able to cure more diseases (治愈更多疾病), 7 people will live longer.

    Third, housing problems will end. People will build houses under the sea. Also, some people will live 8 the moon. Then everyone will have a place to live.

    Fourth, hunger will stop all over the world. People will grow crops (庄稼) everywhere 9 on the top of buildings.

    Now what about you? 10 do you think life in the future will be like?