Нужно вставить пропущенные слова с) with more than four carbon atoms in each molecule are liquid. crude is a liquid under normal temperature and pressure. it is a mixture of more 100 different hydrocarbon molecules. as hydrocarbon molecules get they have a boiling point, so it possible to separate the hydrocarbons. this happens at a . d) gasoline is a mixture of hydrocarbons with between five and eleven carbon atoms. it burns easily and is an important fuel. it is colourless but we add colour for .naphthas are hydrocarbons with between seven and thirteen carbon atoms. they clear liquids. we do not use them as fuels, but we can change their molecular structure at the refinery to different fuels. they are for paints and products that dry quickly. kerosene, diesel, and fuel oils are mixtures of larger molecules with higher boiling points. the largest hydrocarbons in crude oil are solid. they have more 50 carbon atoms in long chains. bitumen (am e = asphalt) is an example. we use bitumen for roads
2.where is my vocabulary?
3. their native language is german
4. she doesn't have book i can give to her my book.
5. professor mr. smith always carefull check himself/your results
6. he doesn't like tell to us about job
7. Mori is journalist. she likes her job
8. that's him translate, not mine
9. its not of yours business
10. i can't do finished this work alone/ i can't do this alone
11. he speaks german very well like english
12.the new project is much more complicated then the old one
13. i'm a first year student
14. we are not historians we are journalists
15. do you have a lot of english books?
16. these young people students of the faculty of economics
17. i haven't time now
18. newspaper on the table
19. the university has a good library
20. i have some interesting books about school in the United Kindom
21. there is no students in classroom
22. he has some mistakes in his work
23. there are any pictures in this book?