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问题 单项选择题

长城市教育局为改善退休教职工的生活待遇，决定使用部分预算资金进行期货交易，以投资收益补贴支出，于2009年6月与期货公司长城营业部签订期货经纪合同，教育局从事了数笔期货交易，10月该营业部超出经营范围，与教育局签订补充协议，借入教育局的300万元进行期货自营，11月该营业部亏损200万元，无力偿还借款。

根据上述材料，请回答以下问题。

下列关于教育局与营业部签订的期货经纪合同效力的表述，正确的是（）

A.因营业部没有从事期货经纪业务的主体资格，合同无效

B.因营业部没有从事期货经纪业务的主体资格，合同可撤销；经期货公司追人，合同有效

C.因教育局不具备从事期货经纪业务的主体资格，合同无效

D.因教育局不具备从事期货经纪业务的主体资格，合同可撤销；经市政府追人，合同有效

答案

参考答案：C

填空题


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.
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单项选择题

分泌型SIgA的抗原结合价为

A．一价
B．二价
C．三价
D．四价
E．五价
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