古柯碱属于() A.吡啶类生物碱 B.莨菪烷类生物碱 C.异喹啉类生物碱 D.吲哚类

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问题:

古柯碱属于()

A.吡啶类生物碱

B.莨菪烷类生物碱

C.异喹啉类生物碱

D.吲哚类生物碱

E.有机胺类生物碱

考点:中药执业药师中药学专业知识(二)中药执业药师中药学专业知识(二)
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.

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适合用于学校口腔公共卫生项目的是()

A.含氟牙膏

B.氟水漱口

C.氟片

D.含氟涂料

E.含氟凝胶

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检察机关没有确认权。

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DFDAU功用和输入信号?

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关于建设工程索赔成立的条件,下列说法中正确的是()。

A.导致索赔的事件必须是对方的过错,索赔才能成立

B.只要对方有过错,不管是否造成损失,索赔都可以成立

C.只要索赔事件的事实存在,在合同有效期内任何时候提出索赔都可以成立

D.不按照合同规定的程序提交索赔报告,索赔不能成立

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