房地产需要专业估价的基本条件是房地产具有（）的特性。A．独一无二和供给有限 B．独一

下列对电阻的理解，你认为正确的是

A．当电压增大时，电阻也增大

B．当电流增大时，电阻减小

C．并联后的总电阻比其中任何一个分电阻都小

D．决定导体电阻大小的因素只有导体的材料和长度

闽（六书汉字的结构）

Are you a man or a mouse When people ask this question they want to know (1) you think you are a (2) person or a coward. But you will never really know the answer to this question (3) you are tested in real life. Some people (4) they are brave but when they come face to face with real (5) , they act like cowards. Others think of themselves as cowards, but when they meet danger, they act like (6) .Lenny had always thought of himself as a (7) person. He got worried before examinations. He worried about his job and health. All he wanted in life was to be safe and healthy. (8) , on January 15th, 2002, a plane crashed into the Potomac River in Washington. Lenny went to the river to See what was happening. He saw a woman in the (9) water. Lenny did not feel afraid. He kept very (10) and did a very dangerous thing. He jumped into the Potomac, (11) to the woman, and kept her head (12) the water. Seventy-eight people died that day. Thanks to Lenny, it was not (13) .When you are in a very (14) situation and feel afraid, the body automatically produces a chemical in the blood. The chemical is called adrenalin. (15) adrenalin in the blood system, you actually feel per and per and are (16) to fight or run away. However, when you are absolutely terrified, the body can produce too much adrenalin. Where this (17) , the muscles become very hard and you find you (18) move at all. You are then paralyzed with fear. This is (19) when we are very frightened, we sometimes say we’re "petrified". This word comes from the Greek word "petros", which means "stone". We are (20) frightened that we become stonelike.

第（20）空应选择（）

A．really

B．very

C．such

D．so

国际市场营销

WRB与美国土壤系统分类同样以诊断层和诊断特性为基础，但未能吸收俄罗斯、英国等国的分类的方法。