目前市场上出售的台式PC机中Pentium 4微处理器的主频一般为
A． 0.5GHz左右
B． 1GHz左右
C． 3GHz左右
D． 5GHz左右
参考答案：C
解析：本题考查Pentium微处理器的基本知识，Pentium 4是Intel公司推出的高档 微处理器，内部核心部分集成了4200万只晶体管，主频1.4GHz～10GHz，目前市面上 一般为3GHz左右。所以选C。
阅读下面短文，根据短文内容完成表格中所缺信息，每空一词。（共10小题；每小题1分，计10分） Do you want to travel the countries in Asia? You don't have to travel very far. Follow us, you can find these Asian adventures(探险). Cycling in Guilin, China Get around the city by cycling through Guilin, in the Guangxi province of China. Mountains rise straight up, creating the only beauty. Bike paths take you past the villages and farms. Enjoy this beautiful views from your bike, or stop and talk with one of the villagers working in his field. Adventure advice: When your feet are tired, take a boat trip along the beautiful and famous Li River. White-water rafting in Nepal In Nepal, you can experience thrilling rapids(湍流) and the beauty of the Himalayas at the same time. Take a white-water rafting trip down the Sun Koki River, world-renowned for its powerful rapids. At night you'll camp beside the river on white water, enjoy the quiet, lonely Nepalese countryside. Adventure advice: Don’t go rafting in summer. High water levels make it dangerous. Scuba diving in Malaysia Go diving in the clear waters around Spaded, an island in Malaysia, and discover an underwater world. You'll see large sea animals swimming along. The colorful coral along the reefs hides tiny fish. The wide kind of tropical life found around Spaded makes it famous worldwide for diving. Adventure advice: You can dive at Spaded, but you can't sleep there. The island is a protected park, but you can stay on one of the nearby islands. Three 小题1: Adventures
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