该图为汉画像石“讲经图”，图片中的“经”应是（） A.《佛经》 B.《圣经》 C.《

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.

When we stayed at the country house, we had only enough water for drinking. That’s why we didn’t take a            for two days.

A．bath

B．visit

C．drink

D．walk

Jay Chow's  __________is so beautiful that most young people like his songs.[ ]

A. sound    

B. whisper  

C. noise  

D. voice

病例4：女性，69岁，退休工人，近3年来逐渐出现特别好忘事，做事经常丢三落四，近一年不会自己穿衣服，有时把裤子当衣服“穿”，有时对着镜子中的自己问“你是谁呀”，2周前一个人跑出家门，找不到回家的路，说不清地址，说不上自己的名字，幸被邻居碰上才未发生意外。

对该患者的护理目标( )

A．患者能按时服药

B．重新建立患者的定向感和现实感

C．能够有效地进行语言交流

D．生活能够完全自理

下列符号中，既表示一个原子，又表示一种元素，还表示一种物质的是（  ）

A．C₆₀

B．2H

C．2H₂

D．Hg