In this world, only the fastest 2)__________.

( ) is the only country in the world that occupies a whole continent.

淡水资源人均占有量仅为世界平均水平的四分之一。( ) A: The amount of freshwater resources per capita is only one-fourth the world average. B: The amount of freshwater sources per capita is only one-fourth the world average. C: The amount of water resources per capita is only one-fourth the world average. D: The amount of freshwater resources per capita is only one in four the world average.

Only the north tower of the World Trade Centre was attacked.( )

3. Formula One is all about _______. In this world, only the fastest ________.

The only real security that a man will have in this world is a __________ of knowledge, experience, and ability.

The only real security（安全感）that a man will have in this world is a of knowledge, experience and ability.

I choose to show the world only attractive or funny photographs of myself.(attractive)

Kaz Tanaka had wakened in a frightening new world—a world whose dominant sound was a silence broken only by the cries of the dying. A: …a silent world where one could do nothing but make dying cries. B: …a soundless world in which no one dared to break the dead silence. C: …a silent world where one could only hear the moans from the dying. D: …a soundless world in which the threat of death controlled everything

At the 2003 World Championships(锦标赛), not only did Phelps ________ four gold medals and two silver medals, but he set four world records.