依据《担保法》的规定，担保人必须是第三人的担保方式是(24)。

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When we announced Java 2 Micro Edition(J2ME)a few years ago, we believed that Java had an important role to play in hand held devices. Some were(71)that Java would be small enough for such limited devices.

 But no(72), Java for the small device is a success. J2ME has emerged strongly in the wireless market. Java's portability and extensibility have brought about rapid(73)in this market.

 The success of Java beyond desktop computers is significant(74)developers. Java literacy is now more important than ever, as Java is used more and more to(75)a whole range of new computing devices--not only wireless handsets but also personal digital assistants, cameras, automobiles, home control, and so on.

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