单选题：What is this passage about? __________

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题目类型：单选题
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What is this passage about? __________ A．It is about the American National Parks，
B．It is about the National Park Servic
C．It is about the National Park Service partnership
D．It is about the care and preservation of the National Parks in Americ

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__________ is the study of the internal structure of words,

__________ is the study of the internal structure of words, and the rules by whi

分类：综合类题型：单选题

Which of the following is NOT true, according to the passage

Which of the following is NOT true, according to the passage?A． M Saint Laurent'

分类：综合类题型：单选题

According to the passage, the essence of America is

According to the passage, the essence of America isA． the "American Dream". B． i

分类：综合类题型：单选题

系统软件包括（　　）。

系统软件包括（　　）。A．操作系统 B．语言处理程序 C．数据库管理系统 D．各类支持服务程序

分类：综合类题型：单选题

若在工作组中选取一组单元格，则其中活动单元格的数目是（　　）。

若在工作组中选取一组单元格，则其中活动单元格的数目是（　　）。A．1行单元格 B．1个单元格 C．1列单元格 D．被选中的单元格个数

分类：综合类题型：单选题