洛伦兹曲线模型反映地理事项的分布均匀程度。本题用其反映人口与经济分布的相互关系。

题型:选择题

问题:

洛伦兹曲线模型反映地理事项的分布均匀程度。本题用其反映人口与经济分布的相互关系。图中各曲线的弯曲程度反映出该变量分布的不均衡性,曲线越弯曲,表示该变量分布越不均衡。结合图完成下列问题。

小题1:安徽省人口、CDP分布的状况是

A.人口集中度大于GDP集中度

B.人口集中度与GDP集中度高度一致

C.GDP集中度大于人口集中度

D.人口集中度与CDP集中度完全背离小题2:图示安徽省人口与CDP洛伦兹曲线形成的主要原因是 

①安徽省有大量民工到沿海发达地区务工

②安徽省人口自然增长率快速下降

③安橄省经济核心区对人口的吸引力不够

④安徽省地形差异大

⑤淮河横贯安徽北部,南北气候差异大

⑥安徽省产业结构不尽合理,二、三产业比重不高

A.①②⑥

B.③④⑤

C.①③⑥

D.①③⑤

考点:影响人口迁移的因素人口迁移的概念及分类人口迁移方向对环境的影响
题型:选择题

根据《环境影响评价技术导则-总纲》,建设项目的环境影响分析、预测和评价的范围、时段、内容及方法应根据下列哪些情况而定。()

A.工程投资额

B.评价工作等级

C.当地的环境保护要求

D.工程与环境特性

题型:选择题

科学家将大鼠生长素基因注入小鼠的什么细胞中得到了“巨型小鼠”(  )

A.体细胞

B.精子

C.卵细胞

D.受精卵

题型:选择题

病历摘要:患者,男,63岁,旅游者,由于“昏迷半小时”,由旅行社于11pm送来急诊。病史(同伴提供):患者3天前到本地后开始出现腹泻,无呕吐,自服药(具体不详)。1天前听患者常诉口渴,而且喜冷饮。约每1小时需排尿一次(量不详),夜尿4~5次。食欲不佳,精神疲倦。体查:T:38.6℃,R:16次/分,P:72次/分,BP130/80mmHg,昏迷,双瞳孔等大等圆,d=2.5cm,对光反射存在,皮肤干燥,弹性差,中度脱水貌。呼吸不深大,未闻烂苹果味,双肺呼吸音清,未闻及干湿啰音。心界不大,HR:72次/分,各瓣膜区未闻及明显病理性杂音。生理反射存在,病理反射可疑。

选择何种液体进行补液?()

A.生理盐水

B.5%葡萄糖盐水加胰岛素

C.5%葡萄糖加胰岛素

D.0.45%氯化钠

E.10%葡萄糖盐水加胰岛素

F.10%葡萄糖加胰岛素

G.1.25%碳酸氢钠溶液

题型:选择题

执行语句"int s=0,n=5;while(--n)s+=n;"后,变量s、n值依次为______。

题型:选择题

Phyllis Wheatley is regarded as America’’s first black poet. She was born in Senegal, Africa, about 1753 and brought to America aboard a slave ship at about the age of seven. John and Susannah Wheatley bought her for three pounds at a slave auction in Boston in 1761 to be a personal servant of Mrs. Wheatley. The family had three other slaves, and all were treated with respect. Phyllis was soon accepted as one of the family, which included being raised and educated with the Wheatley’’s twin 15-year-old children, Mary and Nathaniel. At that time, most females, even from better families, could not read and write, but Mary was probably one of the best educated young women in Boston. Mary wanted to become a teacher, and in fact, it was Mary who decided to take charge of Phyllis’’s education. Phyllis soon displayed her remarkable talents. At the age of twelve she was reading the Greek and Latin classics and passages from the Bible. And eventually, Mrs. Wheatley decided Phyllis should become a Christian.At the age of thirteen Phyllis wrote her first poem. She became a Boston sensation after she wrote a poem on the death of the evangelical preacher George Whitfield in 1770. It became common practice in Boston to have "Mrs. Wheatley’’s Phyllis" read poetry in polite society. Mary married in 1771, and Phyllis later moved to the country because of poor health, as a teacher and caretaker to a farmer’’s three children. Mary had tried to interest publishers in Phyllis’’s poems but once they heard she was a Negro they weren’’t interested.Then in 1773 Phyllis went with Nathaniel, who was now a businessman, to London. It was thought that a sea voyage might improve her health. Thirty-nine of her poems were published in London as Poems on Various Subjects, Religious and Moral. It was the first book published by a black American. In 1775 Phyllis wrote a poem extolling the accomplishments of George Washington and sent it to him. He responded by praising her talents and inviting her to visit his headquarters. After both of her benefactors died in 1777, and Mary died in 1778, Phyllis was freed as a slave. She married in 1778, moved away from Boston, and had three children. But after the unhappy marriage, she moved back to Boston, and died in poverty at the age of thirty.

The word "respect" in Paragraph 1 is closest in meaning to________.

A.consideration

B.disregard

C.punishment

D.behavior

更多题库