The government has 　　　 to prevent the environment being polluted yet.?

A.taken no action　　　 B.made no decision

C.taken no care　　　　 D.made no preparation ?

Darwin’s Origin of Species, probably ranking second only to the Bible, has ______ on Western thought.

A. taken immediate actions　　　　　 　B. had a great impact

C. left a deep impression　　　　　　 D. produced lots of pressure

Darwin’s Origin of Species, probably ranking second only to the Bible, has ______ on Western thought.

A. taken immediate actions　　　　　 　B. had a great impact

C. left a deep impression　　　　　　 D. produced lots of pressure

It appeared that a fierce fire had ______ inside the ship.

[    ]

A. taken part in　　    B. taken pride in

C. taken the place of   D. taken place

完形填空

　　The amount of usable water has always been of great interest in the world. __1__ springs and streams sometimes means control, particularly in the __2__ areas like the desert. The control is possible even without possession of large areas of __3__ land. In the early days of the American west, gun fights were not __4__ for the water resources（资源）, and laws had to be __5__ to protect the water rights of the __6__ and the use of the water resources accordingly.

　　__7__ is known to us all, there is not __8__ water in all places for everyone to use as much as he likes. Deciding on the __9__ of water that will be used in any particular period __10__ careful planning, so that people can manage and use water more __11__. Farmers have to change their use of or demand for water __12__ the water supply forecast（预报）.

　　The __13__ water supply forecast is based more on the water from the__14__than from the below. Interest is __15__ in the ways to increase rainfall by man-made methods, and to get water from the winter snow on mountain __16__. With special equipment, some scientists are studying the ways in which the mountain snow can be __17__, and with the help of a repeater station, they send the __18__ data（数据）to the base station. The operator at the base station can get the data at any time by __19__ a button. In the near future, the forecast and use of water __20__ probably depend on the advance knowledge of snow on mountains, not of water underground.