读右图，回答1—5题。小题1:该图表示了四个国家的人口出生率和人口死亡率，其

发布时间：2017-06-08 22:05 │ 来源：www.tikuol.com

题型：选择题

问题：

读右图，回答1—5题。

小题1:该图表示了四个国家的人口出生率和人口死亡率，其中人口自然增长率最高的是（）

A．①

B．②

C．③

D．④小题2:图中①国可能出现的人口问题是（）

A．人口严重老年化问题

B．人口基数过大问题

C．性别比例严重失调问题

D．人口增长过快问题小题3:该国产生上述问题的原因可能有（）

①国家控制人口数量

②人口预期寿命延长

③思想观念上的问题

④经济发展需要大量劳动力

⑤和平时间延长

A．①②⑤

B．②⑤④

C．③④⑤

D．②③⑤小题4:下列四国中，与②国人口自然增长率相似的是（）

A．美国

B．瑞典

C．巴西

D．印度小题5:在世界上10个人口超过1亿的国家中，须与③国家采取相似人口政策的国家有（）

A．4个

B．5个

C．6个

D．7个

考点：人口增长模式及转变人口的自然增长人口问题及其影响

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在学习命题性知识时，最好的编码策略是指精致和组织化。

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按下图装置，持续通入X气体，可以看到a处有红色物质生成，b处变蓝，c处得到液体，则X气体是

A．H₂

B．CO和H₂

C．NH₃

D．CH₃CH₂OH（气）

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起重机钢轨的型号有（）。

A．QU70、QU80、QU100、QU120

B．QU50、QU60、QU70、QU80

C．QU80、QU90、QU100、QU120

D．QU50、QU70、QU100、QU120

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下面为某家族白化病（皮肤中无黑色素）的遗传系谱，请据图回答（相关的遗传基因用A、a表示）

该病是由（）性基因控制的

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Directions: There are 10 blanks in the following passage. For each numbered blank, there are 4 choice marked A, B, C and D.

During recent years we have heard much about "race": how this race does certain things and that race believes certain things and so on. Yet, the (51) phenomenon of race consists of few surface indications.
We judge race usually from the coloring of the skin: a white race, a brown race, a yellow race and a black race. But (52) you were to remove the skin you could not tell anything about the race to which the individual belonged. There is nothing in physical structure, the brain or the internal organs to (53) a difference.
There are four types of blood. All types are found in every race, and no type is distinct to any race. Human brains are the (54) No scientists could examine a brain and tell you the race to which the individual belonged. Brains will (55) in size, but this occurs within every race. (56) does size have anything to do with intelligence. The largest brain ever examined belonged to a person of weak (57) . On the other hand, some of our most distinguished people have had (58) brains.
Mental tests which are reasonably (59) show no differences in intelligence between races. High and low test results both can be recorded by different members of any race. (60) equal educational advantages, there will be no difference in average standings, either on account of race or geographical location.

A．Provided

B．Concerning

C．Given

D．Following

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