搜题请搜索小程序“爱下问搜题”
问题 单项选择题

据报载，动物走私使得多种动物面临着灭绝的 (102) 。全世界每年有200多万只野生动物 (103) 杀害。而走私和为走私而进行的偷猎是造成这种 (104) 的最重大、最 (105) 的原因之一。生物学家们根据化石分析得出的结果认为，一种鸟类的自然灭绝至少 (106) 两万年，一种兽类为60万年。但人类进入工业化的时代，竟使自然界的生灵的灭绝 (107) 加快了一千乃至几千倍。10年前，平均每4天有一种动物绝迹；而现在，这个时间已 (108) 为4个小时。

A．需要
B．可以
C．满足
D．需求

答案

参考答案：A

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.
查看答案
问答题 简答题

你预期汽油税的无、田损失在短期中大，还是长期中大？为什么？
查看答案