题目内容
【题目】人口和资源问题能从侧面反映当时社会发展的状况。下表为我国1750-1850年人口和耕地面积相关数据表。读表，完成下列各题。
年份 | 人口（亿） | 耕地（亿公顷） | 人均耕地（公顷/人） |
1750 | 2—2．5 | 0.6 | 0.3-0.24 |
1850 | 4.1 | 0.81 | 0.2 |
【1】这一时期我国耕地面积总数增加了，人均耕地面积却减少了，其主要原因是（ ）
A. 土地兼并严重 B. 人口剧增 C. 自然灾害频繁 D. 战乱频发
【2】表中人口与耕地之间的变化说明一个国家要持续发展（ ）
A. 只有不断扩大耕地面积 B. 必须保持安定统一的国内环境
C. 必须处理好人口与自然资源的关系 D. 只有发展人口、增加劳动力
【答案】
【1】B
【2】C
【解析】
【1】人均耕地的面积=耕地总面积÷人口数量，读图分析可知，从1750-1850年我国耕地面积总数增加由0.6增加到了0.81，同时人口数量从2亿左右增加到了4.1亿，人口增加幅度大大高于耕地的增加速度，因此导致人均耕地面积是减少的，故答案选B项。
【2】由上题现象说明，一个国家要持续发展，必须处理好人口、自然资源的关系，要求以环境与自然资源为基础，同环境承载能力相协调。故答案选C项。
【题目】A
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【题目】Cloze 1
体裁 | 文章话题 | 词数 | 建议时间 | 难度 | 自测正确率 |
议论文 | 人生应该拥有对手 | 338 | 18分钟 | ★★★☆☆ |
A jaguar is an endangered animal. It is said that there are less than 20 in the world 1 , one of which is now living in the national zoo of Peru. In order to 2 this jaguar, Peruvians 3 a pitch of land in the zoo for it, where there are flocks of animals for it to eat. Anyone 4 has visited the zoo praised it to be the ＂Heaven of Tiger＂. However, no one has ever seen the jaguar hunt the animals. What we could see is its lying in its house eating and sleeping.
Some people thought the jaguar felt too lonely so they rented a female tiger to 5 it. Nonetheless, it did not make too much 6 . The jaguar just sometimes went out of its house with its ＂girlfriend＂ and stayed in the sun for a while.
＂It is 7 for the jaguar to be lazy in this environment. A tiger is the king of forest but you simply put some small 8 around him. That is why it showed no 9 in going out. Why don ‘t you put two wolves around him?＂ a visitor proposed. Others 10 him and put five panthers into its 11 . Since then, the jaguar didn’t go back to its house any more. It either stood on top of the hill roaring or 12 from the hill strolling without sleeping all day, totally got back to its 13 .
In our world , 14 creature without any rivals is lifeless . If a man lives without 15 he is bound to be satisfied 16 the present and will not strive for the better. 17 environment tends to 18 successful people. Therefore, your rivals are not your enemies, but your good 19 ! In our lives, we need some rivals to be particular about us and supervise us with 20 requirements and standards. Due to our rivals, we can bring out our potential to the best!
【1】 A. accurately B. possibly C. currently D. clearly
【2】 A. find B. protect C. hunt D. murder
【3】 A. singled out B. looked out C. took out D. came out
【4】 A. which B. who C. when D. who
【5】 A. destroy B. fight C. accompany D. hug
【6】 A. difference B. friend C. advice D. progress
【7】 A. particular B. useful C. likely D. normal
【8】 A. animals B. sheep C. pigs D. vegetables
【9】 A. interest B. difficulty C. attitude D. expression
【10】 A. agreed on B. agreed with C. agreed to D. did with
【11】 A. classroom B. boundary C. territory D. courtyard
【12】 A. went away B. wrote down C. put down D. went down
【13】 A. position B. nature C. existence D. reality
【14】 A.one B. some C. any D. none
【15】 A. friends B. relatives C. rivals D. lovers
【16】 A.to B. with C. across D. into
【17】 A. Good B. Difficult C. Smooth D. Different
【18】 A. realize B. cultivate C. create D. produce
【19】 A. schoolmates B. friends C. possibilities D. difficulties
【20】 A. obvious B. real C. strict D. familiar