[单项选择]The information used by the computer to make its detailed maps ______.
Ⅰ. was gathered by the Defense Department and the U. S. Geological Survey
Ⅱ. shows points roughly 200 feet apart
Ⅲ. involves altitude measurements
A. Ⅰ
B. Ⅰ and Ⅱ
C. Ⅰ and Ⅲ
D. Ⅰ, Ⅱ and Ⅲ

[填空题]When you (sharp)（）an object, you make its edge very thin or you might make its end pointed.

[填空题]If you______(sharp)an object, you will make its edge thin or make its end pointed.

[填空题]Information stored in the computer can be transmitted via satellite to its users.

[单项选择]The smallest unit of information in a computer system is called a ______.
A. bit
B. byte
C. block
D. file

[填空题]What kind of information can the computer give to the firemen when they answer a call

[填空题]

The wood used to make the ship is believed to come from ______.

[单项选择]His pupils used to make him so angry that he threw books（）them.
A. over
B. towards
C. on
D. at

[填空题]What can the computer information help to save

[填空题]

Internet, computer-based global information system. The Internet is composed of many interconnected computer networks. Each network may link tens, hundreds, or even thousands of computers, enabling them to share information with one another and to share computational resources such as powerful supercomputers and databases of information. The Internet has made it possible for people all over the world to communicate with one another effectively and inexpensively.
41__________.
The Internet has brought new opportunities to government, business, and education. Governments use the Internet for internal communication, distribution of information, and automated tax processing. In addition to offering goods and services online to customers, businesses use the Internet to interact with other businesses.
42__________.
Use of the Internet has grown tremendously since its inception. The Internet’s success arises from its flexibility. Instead of restrict

[单项选择]

M: My mother used to make those cookies when she was here.
F: Don’t you think mine tastes as good

What does the woman mean（　）.
A. Her cookies taste the same.
B. Her cookies are better than his mother’s.
C. His mother’s cookies used to be good.