述机油压力过低的原因及排除方法。

读欧洲西部两图，回答下列问题．

（1）由左图可知，欧洲西部工业密集，主要工业区分布在哪些国家的哪个方位______（至少写出两个）．

（2）右图为世界著名“啤酒之都”慕尼黑啤酒节的街景，该城市属于左图中A、B、C、D四国中的______国家（填字母）．

（3）不少英国人多年来养成了一个习惯：出门带伞．你知道这是为什么吗？试用学过的地理知识加以解释．______．

阅读理解

     NEWS --- reported in the New York News.

     WORSE BUSH FIRE OF CENTURY PUTS SOUTHERN AUSTRALIAN TOWNS IN DANGER

     No one knows yet the number of lives which have been lost in this terrible fire. But reports say that

more than a hundred people have died.

     Towns less than one hundred miles from Melbourne will be in danger unless the wind changes. The

edge of the smoke cloud has already reached Melbourne. People are rushing into the streets. The police

have warned them not to drive out of the city to see the fire, but many people are doing so.

     The cause of the fire is unknown. But nobody is surprised. No rain has fallen in this part for three

months. It is 38℃ at noon, and the hot northwest wind from the great central desert is blowing at more

than thirty miles an hour.

1. The big fire happened in ______.

A. New York

B. a place near Melbourne

C. towns in Melbourne  

D. town in America

2. We can see from the news that ______.

A. people there haven't seen such a big fire for nearly 100 years

B. no one knows whether some people have died in the fire or not

C. everyone knows the cause of the fire

D. most of the towns in the country are in danger

3. Which of the following is the right picture?

W=WindT=TownsM=Melbourn

简述社会意识相对独立性及其主要表现。

凝汽式发电厂生产过程中都存在哪些损失，分别用哪些效率表示？

患者，男，27岁，被热油烧伤，烧伤总面积达60%。血压10/8kPa(75/60mmHg)，中心静脉压0.294kPa(3cmH₂O)。表明该病人存有

A．心功能不全

B．血容量相对过多

C．血容量不足

D．血容量严重不足

E．容量血管过度收缩