一位画家告诉我，大师的作品常常______，太满太挤容易使人失去想象空间。人生的许多

Lake Victoria is the largest lake in Africa. It is also the second largest lake in the world. It is an important lake because it is one of the sources(源头) for the longest river in the world, the Nile River. Lake Victoria provides a source of water, food, and power(电力) for several African countries. Lake Victoria is a big part of African life.

Unfortunately, Lake Victoria has a problem. It is shrinking. There are several power stations at Lake Victoria in Uganda. These are on the Nile River, and besides producing power, they keep the water of the lake at a certain level. For the past forty years, that level has been 11.9 meters. Over the last several years, the water level has dropped by about 2.5 meters. There seem to be several reasons for this drop.

One possible reason is drought(干旱). Drought has been very bad in the area since 2000. Lake Victoria gets all of its water from rain, so the drought means less water in the lake.

However, some environmentalists believe that the real problem is the power plants(工厂) on Lake Victoria. Uganda depends on those power plants for most of its power, and they made the power plants larger in 2000. Many people believe the power plants have been taking too much water off Lake Victoria. As a result, they have been asked to use less water until Lake Victoria goes back to its old level.

Whether the low water level is caused by drought or power plants, the result is the same. This is already a poor area of Africa, where many people live a really hard life. People, animals and plants around Lake Victoria will suffer even more from low water levels on the lake. Many people need Lake Victoria for fishing or growing food. Fish need the water to live, and animals need it for water. Plants around the lake will die without the water, and then more animals and people will suffer. Unless the lake fills soon, many people will suffer and die.

小题1:Lake Victoria is __________.

A．an important lake in Africa

B．the largest lake in the world

C．the source of water, food and power for America

D．the only source for the Nile River小题2:What does “It is shrinking” most probably mean?

A．It is becoming larger.

B．It is becoming more beautiful.

C．It is becoming smaller.

D．It is becoming more useful.小题3:The water level of Lake Victoria is now __________.

A．2.5 meters

B．11.9 meters

C．14.4 meters

D．9.4 meters小题4:Which of the following is NOT true according to the passage?

A. Rain water is the only source for the lake.

B. There has been little rain in the lake area since 2000.

C. The power plants in Uganda provide water for the lake.

D The power plants in Uganda were made larger in 2000.

小题5:According to the passage, how can we solve the problems around Lake Victoria?

A．People must build more power plants.

B．More sources of water must be found.

C．Every country should offer some money to Africa.

D．All the people living in the area should move to another place.

股疝的解剖关系中，错误的是（）

A.股管后缘为耻骨梳韧带

B.股管上口为股环；下口为卵圆窝

C.股管内缘为陷窝韧带

D.股管前缘为腹股沟韧带

E.股管外缘为股动脉

关于项目机构组织协调，下列说法正确的是( )。

A．项目监理机构需求关系的协调可以从以下两个环节进行，即对监理设备、材料的平衡和对监理人员的平衡

B．与业主协调时，监理工程师首先要理解建设工程总目标

C．监理工程师与业主协调时，不必让业主投入到建设工程中

D．在发现质量缺陷并需要采取措施时，监理工程师必须立即通知承包商

E．监理工程师联系单、工程变更单传递，要按规定的程序进行

（）包括各种赞助、捐赠支出、罚没支出、久悬未取款项支出。

A、固定资产损失

B、资产非常损失

C、资产一般损失

D、营业外支出

某大桥工程全长1860m，其中桥梁长度945m，西端引道长332.5m，东端引道长582.5m。桥宽30m，引道宽40m。本工程桥梁红线宽度按30m控制(道路部分红线宽度按40m控制)，双向六车道。为城市工级主干道，设计车速为60km/h。总投资估算17063万元，预计工期15个月。
考虑桥位设计与城市规划相协调，大桥陆域部分采取避让村镇、庙宇、名木古树等，做到近村不进村，以减少拆迁量，连接线应尽量利用现有公路；尽量借助自然景观进行路景设计，维持自然地貌生态等措施。施工单位将就工程的设计规划征求广大市民的意见和建议。

[问题]

本工程自然因素调查的主要内容是什么