科目: 来源: 题型:
【题目】“保护性耕作法”是指对耕地实行免耕或浅耕措施,并在粮食收割时,将作物秸秆粉碎后还田,或者将庄稼荐子留在田地过冬。下表为某地实验前后有关实验资料,回答下列问题。
土壤水分 | 土壤空气 | 土壤有机质 | 大气悬浮质 | 大气水分 | |
实验前 | 6.3% | 25.5% | 0.7% | 14.6% | 18.6% |
实验后 | 23.5% | 16.7% | 3.2% | 3.4% | 34.5% |
【1】实验结果反应了实行“保护性耕作法”能
①保持土壤水分 ②增强土壤透气性 ③增加大气湿度 ④减少空气污染
A.①②③ B.①③④ C.①②④ D.①②③④
【2】由表可知,该地最可能是
A.东南丘陵B.云贵高原C.河套平原D.江汉平原
查看答案和解析>>
科目: 来源: 题型:
【题目】北京时间2016年11月14日,我们有幸观赏到非常罕见的“超级月亮”,这次满月是1948年以来离地球最近的一次满月。与月球绕地球公转轨道一样,地球绕日公转轨道也是一个椭圆。
【1】
A. 地球公转速度达到一年中最小值 B. 北极部分地区出现极昼现象
C. 太阳直射点在南半球并且向南移动 D. 接近冬至日
【2】
A. 北极圈的度数变为66°25′ B. 地球上太阳光直射的范围增大
C. 地球上寒带范围减小 D. 地球上温带范围减小
【3】
①北极圈及其以北地区出现极夜现象
②北半球各地昼长达一年中最大值
③南回归线及其以南各纬度地区,正午太阳高度达到一年中的最大值
④南极圈及其以南地区出现极夜现象
A. ①② B. ②④ C. ①③ D. ①④
【4】
A. 1∶2 B. 1∶1 C. 2∶1 D. 3∶1
查看答案和解析>>
科目: 来源: 题型:
【题目】目前,我国为保护棉农利益,控制国际棉花进口,国内的棉花价格约比国际市场高1/3;我国纺织行业工人工资一般为美国的1/4,是越南/巴基斯坦等国的3倍。我国一些纺织企业为利用国际市场棉花,在国外建纺纱厂,并将产品(纱线)运回国内加工,在我国同行业企业纷纷到越南/巴基斯坦等国建厂的情况下,总部位于杭州的K企业独自在美国建纺纱厂。2015年4月底,K企业在美国工厂生产的第一批110吨纱线运至杭州。据此完成下列问题。
【1】如果K企业将纺纱厂建在越南/巴基斯坦等国,利润比建在美国高,最主要的原因是越南/巴基斯坦等国
A.离原料产地较近 B.离消费市场较近
C.劳动生产率较高 D.劳动力价格较低
【2】K企业舍弃越南、巴基斯坦等国而选择在美国建纺纱厂,考虑的主要因素可能是
A.原料价格 B.劳动力价格 C.投资环境 D.市场需求
【3】该案例表明,随着工业技术水平的提高,我国纺纱业已大幅度降低了
A.原料使用量 B.劳动力使用量 C.运输量 D.设备费用
查看答案和解析>>
科目: 来源: 题型:
【题目】我国东部季风区受夏季风影响比较显著,但南、北方都存在水资源紧张问题。据此完成下列各题。
【1】我国南方河流众多,水资源较丰富,但一些工业城市仍缺水的原因是
A.伏旱引起部分地区干旱
B.地下水量少
C.工业污染严重,属水质性缺水
D.河流少,径流量小
【2】缓解我国北方水资源紧张的合理措施不包括
A.实施南水北调
B.提高工农业用水效率
C.加强节水宣传教育
D.大力开发地下水
查看答案和解析>>
科目: 来源: 题型:
【题目】北京一旅游团从北京乘火车到甘肃旅游。据此完成下列各题。
【1】该旅游团从北京至甘肃沿途中,发现自然植被景观由落叶阔叶林逐渐演变为草原、荒漠,这种变化反映了
A. 从沿海向内陆的分异规律 B. 由赤道到两极的分异规律
C. 山地垂直分异规律 D. 非地带性分异规律
【2】形成北京到甘肃植被景观变化的基本因素是
A. 海陆分布 B. 地形 C. 热量 D. 水分
查看答案和解析>>
科目: 来源: 题型:
【题目】晋陕蒙接壤地区分布着我国和世界上罕见的特大煤田,被称为“黑三角”或“乌金三角”,包括内蒙古的准格尔、鄂尔多斯、陕西的神木、府谷、山西的朔州等地。目前已成为我国优质动力煤生产和出口基地。据此回答下列问题。
【1】下列属于“乌金三角”能源基地建设的优势条件的是( )
①煤炭储量丰富 ②煤炭质量高,开采条件好 ③水资源充足
④邻近广阔的能源消费市场 ⑤水陆交通便利
A.①②④ B.②③④ C.①④⑤ D.②③⑤
【2】下列做法与“乌金三角”地区能源基地的可持续发展相违背的是( )
A.努力扩大煤炭的开采量和外运量,提高经济效益
B.调整产业结构,延长煤炭产业链,提高经济效益
C.发展技术,提高能源的利用率,减少浪费
D.积极进行生态环境整治,控制“三废”污染
查看答案和解析>>
科目: 来源: 题型:
【题目】 写作(共两节,满分35分)(2015济南市高三二模)
第一节 短文改错(共10小题;每小题1分,满分10分)
My classmates and I take part in a wildness survival program from July 10th to July 13th this summer. Before we started, we given a compass, a map, a firstaid kit, tents, food, any clothes and so on. On the way we climbed three more hills and swam across two rivers. We lost our way in the forest. Lucky we found the right direction with a compass. As soon as they arrived at the campsite, we put up our tents, made a fire and then started cooking. We also learned what to give firstaid.
Through the program, we learned to use knowledge gaining in class to solve problem. It was quite an unforgettable experience for me.
查看答案和解析>>
科目: 来源: 题型:
【题目】第二节(共10小题;每小题1.5分,满分15分)阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。
Chaplin was an extraordinary performer who 1. (star) in and directed many outstanding comedies. Few people were bored 2. (watch) his moustache, his gestures or his entertaining reactions when chased by 3. (detective). Being drunk, sliding on a banana skin or whispering his own failures to nobody, he made us feel more content 4. our life without any verbal explanation. His particular sense of humor has astonished everybody throughout the world up to now.
In a small budget film, he played a badly-off person 5. (wear) worn-out shoes and 6. (mess) clothes. On one occasion, he 7.(trap) by a snowstorm in a vast mountainous area. He overcame many difficulties, 8. he was not fortunate enough. With all the porridge 9. (eat) up, he picked out a shoe and boiled it to eat. What he performed was a total failure. According to an actress, his acting was so 10. (convince) and amusing that everybody couldn’t help bursting into laughter.
查看答案和解析>>
科目: 来源: 题型:
【题目】太阳活动达到高峰期时可能对地球造成很大的影响,据此完成下题。
【1】太阳活动
A、目前无规律可特,也无法预报 B、发生在太阳内部
C、以黑子和耀斑为主要标志 D、对人类生产、生活没有影响
【2】这次太阳活动所产生的带电粒子流到达地球后,可能造成的影响有
①地球各地出现极光现象 ②磁针不能正确指示方向
③GPS定位系统将受到干扰 ④我国北方会出现极昼现象
A、①② B. ②③ C. ①③ D. ③④
查看答案和解析>>
科目: 来源: 题型:
【题目】 完形填空(共20小题;每小题1.5分,满分30分)
阅读下面短文,从短文后各题所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项。
After graduation from college, I was offered a whitecollar job in an office in Manhattan. We had large __16__ overlooking a busy street. I stood by one of them one day, when a young lady walking on sideway __17__ and made eye contact — naturally, I __18__.
That was the beginning of making others happy. When things were _19__, I stood in the window and waved at the passengers who looked up and this made me smile — work _20__ was washed away.
Late afternoon was the __21__ time. Rushhour traffic filled the street with cars and buses. After waving became __22__, I tried to improve my act. I made signs, “Hi!”,“Hello!”, and “Be Happy!” I __23__ them in the window and waved.
__24__ Day was drawing near. Job cuts were announced. Several coworkers would __25__ their jobs. Stress reached a high point. Everyone felt __26__. We needed to do something to break the tension.
While working one night, a red jacket __27__ my attention. I used my __28__ and turned it into a piece of Santa’s clothing. The next day my coworkers gathered around me and __29_ for the first time in weeks. Just then my boss passed by. He looked up, saw me, shook his head and left.
I thought I __30_ trouble. Soon my boss phoned me,“Mike, come to my office!” When in his office, I felt very nervous.“Mike ...” Tears __31__ in his eyes, as I sat silent and confused. When he regained _32__, he said,“Thanks, Mike! With the job cuts, it’s been hard to enjoy the Christmas. Thanks for the laugh, I __33__ it.”
That evening, and every evening of the Christmas season, I stood _34__ in the window. People smiled at the strange Santa. My heart filled with joy, _35__ I made those people smile after a long day at work.
【1】A.doors B.rooms C.windows D.restaurants
【2】A.speeded up B.looked up C.broke down D.pulled through
【3】A.waved B.hid C.left D.shouted
【4】A.important B.slow C.right D.bad
【5】A.stress B.pleasure C.experience D.challenge
【6】A.quickest B.hardest C.longest D.best
【7】A.encouraging B.embarrassing C.boring D.moving
【8】A.saw B.read C.posted D.painted
【9】A.Christmas B.Labor C.Thanksgiving D.National
【10】A.seek B.lose C.finish D.take
【11】A.anxious B.confident C.useless D.peaceful
【12】A.relaxed B.drew C.switched D.involved
【13】A.imagination B.relation C.experience D.pressure
【14】A.spoke B.acted C.laughed D.returned
【15】A.took B.caused C.forgot D.suffered
【16】A.fell B.appeared C.dried D.swallowed
【17】A.confidence B.anger C.control D.strength
【18】A.chose B.knew C.accepted D.needed
【19】A.luckily B.eagerly C.naturally D.proudly
【20】A.because B.but C.although D.if
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com