Надо вставить слова в текст: recorded discarded performed controlled accepted formulated replicated modified ignored tested advances in scientific knowledge depend on all scientists following a strict procedure. firstly, a theory is (1) in such a way that it can be empirically (2) . experiments are (3) …… under carefully (4) conditions which can be (5) …… by other scientists. the results must be precisely observed and accurately (6) …… . if the results contradict the theory in any way, the theory must be ( or at least (8) …… to take account of the results. in no circumstances can the result be (9) …… . experimental evidence may support a theory but many advances are made when observations disprove current theory. in science, something is a fact or a law if it conforms to all the results we have at any time, but history shows us that what is (10) as fact or as a law in one generation may not be so by the next.

1)there is a thick red - carpet in my room. The carpet is on the floor in - front of the sofa. 2)where is the table in your brother's - room? -his table is near the window. 3)i can see a fine vase on the shelf. is it your vase? 4)we have no  piano in our living-room. 5)my uncle is  maried. he has a beautiful wife. they have a son, but they have no daughter. 6)i can see a nice coffee-table in the middle of the room to the right of the door. it is black and red. i like this coffee-table. 7)Our tv is on a little table in the corner of the room. 8) there is a beautiful picture in my father's study, the picture is on the wall to the left of the window.

1 . I left my car in the garage. 2 . Mary hung her coat on the peg. 3 . Jack had his hair cut. 4 . Neil and David ate their supper. 5 . I hope you enjoy your holiday. 6 . We’ll invite you round to our house sometime and complete these by addig a possessive with own. 7 . You must make up your own mind. 8 . The children had to cook their own supper. 9 . Bill borrowed Jenny’s car his own can was being repaired. 10 . I’ll bring my own sheets and towels. 11 . Every dog had its own special basket to sleep in. 12 . You should do your own washing up.