Unit1 (1)

2. spoken or written with ease and without mistakes
4. a task or situation that tests someone's abilities; a call to take part in a competition or contest;
5. a student in the ninth grade of a high school; a first-year student at a college or university
6. to complete a university degree or course; to receive a degree from a university;
8. right or appropriate for a particular purpose or occasion
10. a subject that is discussed, written about, or studied
12. unable to think clearly; mixed up in one's mind
13. a classical dance form characterized by grace and precision of movement; a performance of such dance
16. an act of moving; a group of people working together to advance a shared political, social, or artistic aim
18. to advise someone to do something
19. the name of a book, poem, film, etc.; a word or phrase that describes a person's job or status

1. a glass building in which plants are grown that need protection from cold weather
3. a young person between the ages of 13 and 19
4. the things that are contained in something; [pl] a list of chapters or sections at the beginning of a book; the main subject matter of a book, speech, programme, etc.
7. a person who freely offers to take part in an enterprise or undertake a task without being paid
9. to like (one thing or person) more than another
11. in fact; really
14. forward movement; progress; vi. to move forward; to make progress; vt. to help something to develop or progress
15. written works, especially those considered of superior or lasting artistic merit; the body of written works of a particular language, period, or culture
17. a formal discussion on a particular topic in a public meeting or legislative assembly, in which opposing arguments are put forward; vt.& vi. to argue about (a subject), especially in a formal manner