3 Correct the sentences using number 1 There are third bedrooms in our house. X
2 Elizabeth Blackwell was the one woman to become
a doctor. X
3 I live on the twelve floor of a block of flats. X
4 She finished two in the race. X
5 My dad travelled to other countries fifth times last year. X

Обычно вопросы по-другому строятся... значит тут нужно сделать форму "не так ли?"

 

Linda will arrange the students exchange, won't she? (Линда организует обмен студентов, не так ли?)

 

Уour parents were not at the cinema yesterday, were they? (Твои родители не были вчера в кинотеатре, так ведь?

 

Denis can play guitar, can't he? (Денис играет на гитаре, не так ли?)

 

We are not going to write a letter, are we? (Мы не собираемся писать письмо, так ведь?)

 

You have a lot of friends, don't You? (У тебя много друзей, не так ли?)

 

Some members of his football team gave an interview to a youth magazine, didn't they? (Некоторые члены его футбольной команды дали интервью юношескому журналу, не так ли?)

 

 

 1. Dmitri Mendeleev developed the concept of the periodic repetition of properties.
2. There are 8 columns in the periodic table. In each column, elements are arranged by the same properties, such as the same orbital arrangement of electrons.
3. Mendeleev predicted properties of yet undiscovered (missing) elements and left empty spaces for them in the table.
4. There are natural groupings between the elements that are closely related to each other.
5. In order to understand better these natural groupings, chemists have tried to fit the elements into a single plan.
6. John Ncwlands made one of the first attempts to fit the relationships among the elements by suggesting the Law of Octaves.