有一款太阳能热水器，铭牌上的部分参数如右表所示．将它安装在阳光充足的水平台面上，并送满水．
| 型 号 | JL--88 水容量/L | 80 自身质量/kg | 40 |
（2）泰州地区（晴天）平均每平方米的面积上，每小时接收的太阳能约为2.8×106J．若该热水器接受太阳能的有效面积为1.5m2，每天日照时间按8h计算，则它一天中接收的太阳能（E）约为多少？若这些太阳能有60%被热水器中的水吸收，则可使水温升高多少？[c水=4.2×103J/（kg?℃）]
（3）若该热水器一天中接收的太阳能，由燃烧煤气（热值q=4.2×107J/kg）来获得，则需要完全燃烧多少千克煤气？
（4）请你：①从能源和可持续发展的角度，说出提倡开发利用太阳能的两点主要理由；②说出当前在利用太阳能方面所面临的某一主要困难（可从自然因素或技术因素等方面思考）．
任务型阅读（共10小题；每小题1分，满分10分） 认真阅读下面短文，并根据所读内容在文章后表格中的空格里填入最恰当的单词。 (注意：每空填1个单词。) Growing up, one year on It’s been a year since the Wenchuan earthquake, which left many dead and many more upset and scared. As the quake areas are now being rebuilt, do students feel better, and what are their lives like? Teens have talked to two students to find out. Wu Xinnan, 16, Dujiangyan Foreign Language Experimental School Wu likes leaning through the window of her makeshift dorm (临时凑合的宿舍) and looking outside. There, some buildings are under construction – Her school’s new classrooms. Teachers say that they will move in next term and Wu can’t wait for that day to come. Three months after the earthquake, Wu entered her new school without a formal entrance exam (入学考试). She couldn’t concentrate in class at first. Some of her classmates, especially those who had lost family members, didn’t talk and always stayed alone. One year later, things are much better. Everyone seems to work extremely hard, with busy classes between 6:30 am and 10:00 pm every day. Wu won’t allow herself to fall behind, either. She only goes back to stay with her parents on Saturdays. They are still staying in a temporary room after losing their house. She never asks for pocket money since her dad lost his job at a restaurant – another victim of the earthquake. "I rarely buy anything," she said. Luo Qin, 16, Mianyang Shuidian School Luo has a motto: "Take time to enjoy life". That’s why she was seen everywhere during her school’s recent speech contest and sports meeting remembering the one-year anniversary (周年纪念) of the earthquake. During the May Day holiday, Luo and her friends volunteered to help pick tea for Beichuan farmers in mountainous areas. This year has seen a rise in the tea grown, but not enough people to work on the farms. Many families are busy building their new homes. Luo said she used to be rebellious (叛逆的), but the earthquake matured (使成熟) her and taught her to care for others. Once a month she goes back home with a little gift for her grandma. "She was scared during the earthquake. I always tell her that she must enjoy a long life after the disaster." Title： Growing up, one year on
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