题目内容

What aspect of GPS does the talk mainly discuss

A. What it is made up of and its shortcomings
B. How it works and its attributes.
C. The history of its development.
D. How it is different from other technologies.

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在考生文件夹下的“samp1.mdb”数据库文件中建立表“tCourse”，表结构如下表所示。字段名称数据类型字段大小格式课程编号文本 8 课程名称文本 20 学时数字整型学分数字单精度型开课日期日期/时间短日期必修否是/否是/否简介备注

What does the professor imply when he says this

At least 4 satellites can make 3D position.
B. To make 3D position three satellites are enough.
C. At least 4 satellites can make 2D position.
D. The GPS receiver is very difficult to lock.

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在Excel中制作的工作表可以嵌入到Word中，而且能保持数据的一致性。

A. 对
B. 错

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中毒物质不明时，应选用的洗胃液是

A. 植物油
B. 温开水
C. 2%～4%碳酸氢钠
D. 3%盐水
E. 1:15000高锰酸钾

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What aspect of GPS does the talk mainly discuss

A. What it is made up of and its shortcomings B. How it works and its attributes. C. The history of its development. D. How it is different from other technologies.

What does the professor imply when he says this

在Excel中制作的工作表可以嵌入到Word中，而且能保持数据的一致性。

中毒物质不明时，应选用的洗胃液是

A. What it is made up of and its shortcomings
B. How it works and its attributes.
C. The history of its development.
D. How it is different from other technologies.