1.单选题- (共7题)
①大气中CO2增加 ②SO2、NO2排入大气中 ③CO大量排入大气中 ④冰箱制冷剂氟利昂排入大气
a．形成酸雨 b．产生温室效应 c．破坏臭氧层 d．使人中毒
| A．①—d | B．②—a | C．③—c | D．④—b |
| A．水资源匮乏我们要节约用水 |
| B．空气是一种重要的自然资源，它主要是由氧气和氮气组成的 |
| C．氢能源没有污染并且成本低，现已普遍使用 |
| D．乙醇汽油既节约石油资源，又能促进农业生产 |
A. 开发新能源，代替传统能源
B. 生活、工作中能重复使用的物品重复使用，做到物尽其用
C. 大力发展以煤炭为原料的火力发电，促进经济发展
D. 节约用电，珍惜每一滴水
| A．乙醇汽油中添加的乙醇属于可再生能源 |
| B．人类通过化石燃料获得能量的过程是物理变化 |
| C．将煤球制成“蜂窝煤”是为了增大与空气的接触面积，使其燃烧更充分 |
| D．我国南海海底储藏了大量“可燃冰”，它将成为替代化石燃料的新能源 |
| A．化肥的合理使用，缓解了人类粮食危机 |
| B．绿色化学的快速发展，减轻了环境污染 |
| C．新材料的研制和应用，提高了人们的生活品质 |
| D．化石燃料的直接利用，促进了“低碳”经济的发展 |
2.选择题- (共3题)
What Theresa Loe is doing proves that a large farm isn't a prerequisite for a modern grow-your-own lifestyle. On a mere 1/10 of an acre in Los Angeles, Loe and her family grow, can(装罐)and preserve much of the food they consume.
Loe is a master food preserver, gardener and canning expert. She also operates a website, where she shares her tips and recipes, with the goal of demonstrating that everyone has the ability to control what's on their plate.
Loe initially went to school to become an engineer, but she quickly learned that her enthusiasm was mainly about growing and preparing her own food. “I got into cooking my own food and started growing my own herbs (香草) and foods for that fresh flavor,” she said. Engineer by day, Loe learned cooking at night school. She ultimately purchased a small piece of land with her husband and began growing their own foods.
“I teach people how to live farm-fresh without a farm,” Loe said. Through her website Loe emphasizes that “anybody can do this anywhere.” Got an apartment with a balcony （阳台）? Plant some herbs. A window? Perfect spot for growing. Start with herbs, she recommends, because “they're very forgiving.” Just a little of the herbs “can take your regular cooking to a whole new level,” she added. “I think it's a great place to start.” “Then? Try growing something from a seed, she said, like a tomato or some tea.”
Canning is a natural extension of the planting she does. With every planted food. Loe noted, there's a moment when it's bursting with its absolute peak flavor. “I try and keep it in a time capsule in a canning jar,” Loe said. “Canning for me is about knowing what's in your food, knowing where it comes from.”
In addition to being more in touch with the food she's eating, another joy comes from passing this knowledge and this desire for good food to her children: “Influencing them and telling them your opinion on not only being careful what we eat but understanding the bigger picture,” she said, “that if we don't take care of the earth, no one will.”
请你根据统计图提供的信息，解答以下问题：
（1）“平均每天参加体育活动的时间”“为0.5~1小时”部分的扇形统计图的圆心角为______度；
（2）本次一共调查了_________名学生；
（3）将条形统计图补充完整；
（4）若该校有2000名学生，你估计全校可能有多少名学生平均每天参加体育活动的时间在0.5小时以下.
在我国，实行民族区域自治（ ）
①符合国情，合乎民意
②保证了各民族享有独立设立自治机关、行使自治权的权利
③维护了国家主权的统一，保障了少数民族管理本民族地区事务的自主权利
④说明国家的一切权力属于人民
3.填空题- (共5题)
(1)写出转化的化学方程式：____________。
(2)化学反应中，元素的化合价升高，则该元素所在的反应物是还原剂，反之则为氧化剂。那么上述反应中的NO是____________剂。
(3)上述反应产生的CO2大量排放会导致____________，植树造林、低碳环保刻不容缓。
(1)正常雨水的pH约为5.6，原因是________________．当雨水的pH____5.6(填“＞”、“＜”或“=”)时，就被称为酸雨．
(2)化石燃料_煤的燃烧是导致酸雨形成的主要原因，所以现在人们尽可能使用更清洁的能源_天然气做燃料．天然气燃烧不充分时火焰就显黄色或有黑烟，这时可调大气灶____(填“空气”或“燃气”)进入量或调小气灶____(填“空气”或“燃气”)进入量．
(3)在汽油中掺入一定量乙醇制成乙醇汽油，燃烧时会降低对环境的污染．请写出乙醇完全燃烧时的化学方程式________________
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【1】题量占比
单选题:(7道)
选择题:(3道)
填空题:(5道)
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【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：3
7星难题：0
8星难题：3
9星难题：6