4. what a scientist does in order to find something out (paragraph IV) [1] 5. when a particular kind of animal no longer exists (paragraph 1) [
6. the noise wings make as they move (paragraph II) [1]​

Rules for students:
1) You must not speak loudly at the lesson. - Ты не должен громко разговаривать на уроке. 
2) You must not run round the desks during the break. - Ты не должен бегать вокруг парт во время перемены. 
3) You must not be late at your lessons. - Ты не должен опаздывать на уроки. 
4) You must be polite. - Ты должен быть вежливым
5) You must not speak rudely to anybody. - Ты не должен разговаривать грубо с кем бы то ни было. 
6) You must not come to school without your school uniform. - Ты не должен приходить в школу без школьной формы.

Rules for teachers:
1) You must know your subject well. - Вы должны хорошо знать свой предмет.
2) You must not shout at the students - Вы не должны кричать на учеников
3) You must consider the opinions of students - Вы дожны учитывать мнение учеников
4) You should not give a bad mark for the student's behavior at the lesson in the class register - Вы не должны ставить плохие оценки за поведение на уроке в классный журнал  

Hello! my name is julia. i'm 16 years old. i live in minsk. my hobbi is to draw. i like drawing very much. i have not long and not short black hair, green eyes,and not very big beautifull lips. i have mother and little brother. my mother's name is sveta she is 32 and she is my best friend. i love her very much. my brother's name is vitalik. he is five years old. hi is very funny and i like to play with him. in my free time i like to go for a walk with my friends or spent it with my family. mi life is very beautifull and i like to live!