C．held up D．used up

　　解析：选A　句意：一旦地球上的石油全部用完，我们将用什么作为能源？give out和use up都有"用光，用尽"的意思，give out后不能接宾语，而use up后必须接宾语。put out"扑灭"；hold up"兴起；停顿"。

　　10．This company has just invented a new kind of machine and they are going to hold a(n) ________ about it next week.

　　A．introduction B．presentation

　　C．instruction D．construction

　　解析：选B　句意：这家公司刚发明了一种新型机器并且将要在下个星期举行关于这台机器的展示会。A.介绍；B.展示会；C.指示，说明；D.建设。根据句意，应选B项。

　　二、勤练语篇阅读，多练自能生巧

　　Ⅰ.完形填空

　　The Great Spirit, in a time not known to us looked about and saw nothing. No colors, no beauty. Time was silent in darkness. There was no sound. __1__ could be seen or felt. The Great Spirit decided to __2__ this space with light and life.

　　From his great power he started his __3__. He ordered the Great Turtle to come from the waters and become the land. The Great Spirit created the __4__ and the valleys on turtle's back. He put white __5__ into the blue skies. He was very happy. He said, "Everything is ready now. I will fill this place with the happy movement of __6__ ." He thought and thought about what kind of __7__ he would make.

　　Where would they live? What would they do? What would their purpose be? He wanted a __8__ plan. He thought so hard that he became very tired and fell __9__.

　　His sleep was filled with dreams of his creation. He saw __10__ things in his dream. He saw animals crawling on four legs, some on __11__. Some creatures flew with wings, some swam with fins (鳍). __12__， there were plants of all colors, covering the ground everywhere. Insects buzzed around, dogs barked, __13__ sang, and human beings called to each other. Everything seemed out of place. The Great Spirit thought he was having a __14__ dream. He thought, nothing could be this imperfect.

　　When the Great Spirit __15__， he saw a fish swimming in the water. He realized the world of his __16__ became his creation. Everything he dreamed about came true. __17__ he saw the fish make his home, a dam to provide a pond for his family to swim in, he __18__ knew everything has its place, and purpose in the time to come.

　　It has been __19__ among our people from generation to generation. We must not __20__ our dreams. They are our creation.

1．A.Something B．Anything