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. , , , -. - :

1) mine, ours, his, hers, theirs, yours , , : Our procedure is more practical than theirs (their procedure) () , (o); Results similar to ours (our results) have previously been obtained by them , (), .

2) that, those , , that those ( of), ( Participle II), , , , that those , : This point of view is that of a mathematician rather than a physicist , a ; These devices are more reliable than those designed in our laboratory , , . that (those) , , .

3) this, these , , , , this these . - . , , , , , . ., : These were some successive actions ; This confirms our earlier suggestion (, ) .

4) ne (ones) , ( ). ones,: It is possible to relate this phase diagram to a more conventional one ; Among the disadvantages the following ones can be mentioned ().

one - , .

one - , . . . : This experiment is more complicated than yours .It will take more time , . ; Your drawing is good, but Victor's is much better , .

 

 

one

one :

) . - , () ,: get good results one must work hard , ; This system is satisfactory when one is studying the catalogue , ( );

) , ,: This enables one to observe and record all the changes () .

. 27. it .

1. In the gaseous state water changes into steam and in the solid state it becomes ice. 2. It is well known that a solid expands when we heat it. 3. It often rains in autumn in Great Britain. 4. It is 350,000 kilometres from the Earth to the Moon. 5. It was yesterday that I got the telegram. 6. It took us half an hour to get to the railway station. 7. It is early spring now, but it 's quite warm. 8. He has got a present from his friend, and he likes it very much. 9. It was Tom who helped us.

. 28. , -.

a) 1. These shoes are too big. I need smaller ones. 2. The right hand is usually stronger than the left one. 3. These boxes are very small. We want to get bigger ones. 4. The new laboratory is equipped better than the old one. 5. There are many diagramshere. The most interesting ones are on that wall. 6. There is a table at one of the windows and a sofa at the other one. 7. This solid is denser than that one. 8. Tom realized that the experiment was much more difficult than the previous one. 9. If you are going to buy newspapers, could you get one for me? 10. Nowadays many people have a mobile phone, but I've never used one. 11. Australia has lots of poisonous spiders (), but the biggest ones live in Asia. 12. These strawberries aren't as good as the ones we grow ourselves.

b) 1. This is a new measuring instrument, its accuracy is much higher than that of the old one. 2. The freezing point of water on the Centigrade scale is 0 and that on the Fahrenheit scale is +32. 3. The density of the liquid air is only a little less than that of water. 4. The speed of the Tu-154 is greater than that of theTu-124. 5. The qualities of the new alloy are better than those of the old one.

c) 1. Your advice is more important for us than hers. 2. This isn't my book, it's my brother's. 3. Their office is farther away from the Institute than ours. 4. Whose pen is this? It's mine. 5. Where is your tennis racket? Mine is in my sports bag. 6. I wish I had a car like yours. 7. This is not my umbrella. Mine is black. 8. The instruments at our laboratory are not so modern as those at yours. 9. Mercury revolves round the Sun at a higher speed than other planets. Its speed is much higher than theirs.

. 29. , .

1. One cannot start applying probability theory before one has an adequate method for the numerical representation of the data. 2. This procedure is more reliable than ours. 3. This leads to algorithms that are closely related to ours. 4. Nothing can give one a more vivid idea of the state of the times than the festivals described by the ancient annalists. 5. Tolerance is pretending that opinions which disagree with yours are not nonsense. 6. Use of the concept as a parameter achieves results similar to ours in most cases. 7. If one diagrams it one finds about twenty layers. 8. This leads one to regard two problems. 9. These are central issues in determining a system's operational parameters. 10. Structural clarity, honesty of structural expression these have become controlling values in design. 11. As a matter of fact the atoms have an irregular to-and-fro motion similar to that of the electron. 12. Planetary theory was not developed to the same degree as that of the moon. 13. Our discussions to this point have been confined to a rather restricted class of functions, namely, those describable by linear differential equations. 14. The approach has three aspects, that of general theoretical principles, that of known results and conclusions and that of the basically known, but now refined, experimental method, and the computational procedure. 15. The format for problem analysis presented above has a number of applications to questions that go beyond those considered so far.

V.

 





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