目前,中国正经历着三个重要拐点:一是以劳动力无限供给特征开始消失为标志的刘易斯拐点;

题型:单项选择题

问题:

目前,中国正经历着三个重要拐点:一是以劳动力无限供给特征开始消失为标志的刘易斯拐点;二是以人口抚养比的止降反升为标志的老龄化拐点;三是以中国内地城镇化率突破50%为标志的城镇化拐点。对此认识正确的是()

①城镇化将创造更多的需求

②我国劳动力优势将发生变化

③社会保障体系的压力减小

④我国将失去国际贸易中的比较优势

A.①②

B.②③

C.③④

D.①④

考点:高中政治思想品德小康社会的经济建设小康社会的经济建设题库
题型:单项选择题


International free trade occurs when there are no barriers to trade. Countries can get a lot of benefits from free trade. (31) , all countries choose to adopt protection policies to some extent In this essay, I will give (32) of the arguments in favour of world free trade, describe the methods for the trade protection policies (33) countries erect to protect domestic industries and give the arguments which can be put (34) to justify protectionist policies.
Tariffs are taxes on (35) products. Sometimes, tariffs are known (36) imports duties and customs duties. They can be used (37) raise revenue. But, they are usually used to (38) imports and also to help domestic producers. The effect of imposing (39) tariff is to raise price for domestic consumers, and some consumers will switch consumption (40) imported goods to domestically produced substitutes. (41) are two types of tariffs. One is percentage taxes, it is based on
percentage of value of goods. (42) one is specific (fixed sum taxes), it is based on a fixed tax (43) unit or weight. Quota is a limit on the supply of goods or services. It can be imposed on exports. The domestic market share will increase because of (44) a limit on the quantity of imported goods. However, the price of protected goods will also rise because a quota is to reduce supply. Voluntary export restraint or restriction (45) similar to a quota, but this time the limit on imports arises from a voluntary agreement (46) the exporting and importing countries. For example, the UK had an agreement with Japanese car (47) that they should not take (48) than 10 percent of the UK car market. Exchange control means that a government control on foreign currency controls importers access to foreign currency. This is a (49) which was used by a number of European countries, (50) the UK, in the 1960s and 1970s and is still found in some developing countries.

题型:单项选择题

从安全、环保、节能、简便等方面考虑,实验室制取氧气的最佳方法是[ ]

A.通电分解水:H2OH2↑+O2

B.过氧化氢催化分解:H2O2H2O+O2

C.氯酸钾受热分解:KClO3KCl+O2

D.高锰酸钾受热分解:KMnO4K2MnO4+MnO2+O2

题型:单项选择题

信息系统设计方案中的操作界面部分,特别是输入界面设计方案需要征求信息处理技术员的意见。在如下设计理念中,______是不正确的。

A.用户在输入框中输入信息并按Enter键后,光标应自动移到下一输入框
B.性别、学历等信息的输入可采用单选按钮或下拉列表框形式
C.为了美观起见,输入框中的信息应要求用户用宋体居中输入
D.对用户输入的信息应尽量立即自动进行有效性校验,并提示错误

题型:单项选择题

美军制定信息作战计划的总则。

题型:单项选择题

男性,17岁,三多一少症状1个月。2日前感冒发热,食欲减退。血糖17.9mmol/L,尿酮体阳性。C02结合力20mmol/L。应选用的治疗是()

A.口服阿卡波糖

B.口服磺脲类降糖药

C.加强饮食控制

D.口服双胍类降糖药物

E.胰岛素治疗

更多题库