On a scale of A to E, where A stands for "very well", B for "well", C for "moderately well", D for "not very well", and E for "not at all", rate how well you have achieved the goals set at the beginning of this unit.

　 A B C D E 1. Talk about computers and security.
　 A B C D E 2. Understand the two reading passages.
　 A B C D E 3. Use the new words and expressions.
　 A B C D E 4. Use omission and emphasis.
　 A B C D E 5. Write Internet notice.
　 A B C D E 6. Understand the introduction to the milestones in computer history.