Древнегреческий историк Геродот назвал Египед даром Нила.Прав ли был Геродот?

Что вы знаете о религиозных верованиях первобытных людей?

скорость какой реакции наибольшая?......Li+H2O...Na+H2O...K+H2O....Ca+H2O....Rb+H2O..

1. Составте вопросы используя am,is are?

1) what colour your house? - what colour is your house? (пример)

2) where my key?

3) where my trousers?

4) how old your grandmother?

5) what colour his hair?

6) i low much these shoes?

7) who your favourite actor?

8) why you always late?

2. Вставте am, is are was или were

1) last year their son was, so he is 27 now (пример)

2) today the weather ... nice, but yesterday it ... old.

3) i ... cold. Can i have something hot to drink?

4) i ... hungry last night, so i had something to eat.

5) where ... you at 10 o'clock last Sunday morning?

6) don't bay those shoes. They ... too expensive.

7) why ... you so tired yesterday?

8) we must go now. It ... very late.

9) this time last year i ... in england.

10) we ... tired whem we arrived home, so we went to bed.

11) anton chekhov died in 1904. he ... afomous russian writer.

12) "where ... the dogs?" "I don't know. They ... in the garden ten minuets ago"

С подробными объяснениями +,+

На соревнованиях по фигурному катанию девять судей поставили спортсмену следующие оценки: 5.5; 5.4; 4.9; 5.3; 5,0; 5,3; 5,4; 5,7; 5,4.

Найдите размах и моду ряда оценок. Отбросьте наибольшую и наименьшую оценки и найдите средний балл спортсмена.

(Решение)