美国堪萨斯州立大学教育学院教授表明掌上电脑有六大应用方式,包括____、信息查询、数据收集与分析、____、信息交流、____ 。
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Tony is _____ than Lisa.
A. short
B. more shorter
C. shorter
D. shortest
This question is _____ than that one.
A. easyer
B. more easy
C. easy
D. easier
The girl is ____ than her mother.
A. beautiful
B. more beautiful
C. beautifuler
D. most beautiful
Lily is _____ of the three.
A. taller
B. tallest
C. the tallest
D. tall