课堂涉及相关重要知识学习。

Vocabulary learning strategies
The prefix”un-”can be used in adjectives and adverbs and means”not”as used in the word
”unfamiliar”(Para.2) . Similarly， the prefix”in-”can be used in adjectives， adverbs and nouns，
meaning”not， ”as in the word”invisible”(Para.2) . Watch a video clip to learn about the prefixes "un-" and "in-", and then complete the exercises on the following pages.

Directions:
Add the prefix "un-," "in-," "il-," "im-," or "ir-" to the adjectives in the table to form new words. Then write them down in the blanks.
evitable
1. ________
acceptable
2. ________
mature
3. ________
responsible
4. ________
regular
5. ________
considerate
6. ________
literate
7. ________
dependent
8. ________
conscious
9. ________
legal
10. ________
practical
11. ________
decided
12. ________

Directions:
Complete the sentences with the right words in the table. Change the form where necessary.
irregular                                       irresponsible                                     illiterate
inconsiderate                               immature                                  unacceptable
 
1. In what ways can being responsible or ________ affect a college student's self-esteem?
2. Kevin Ross made national headlines when he completed four years of college and was found to be ________, unable to read or spell.
3. Wanting to go home and see your parents doesn't make you look ________.
4. Students should be aware that most instructors have attendance policies. ________ attendance might result in a lower course grade or failure of the course.
5. Dirty laundry piled everywhere may be something you or your dorm mate find ________.
6. My noisy, ________ roommate constantly woke me up around three in the morning.