LESSON 9

Условные придаточные предложения Значения слова provide Суффиксы -th, -en Префиксы sub-, under-, поп-

Text 9А. Descending to New Ocean Depths Text 9B.

Text 9C. Lifeboats Text 9D. Greenwich

ПРЕДТЕКСТОВЫЕ УПРАЖНЕНИЯ

Упражнение 1. А. Определите тип условного придаточного предложения, переведите.

1. If we look around, we can see that electricity is serving us in one way or another. 2. If I were free, I should help you with plea­sure. 3. If we had tested this material, we should have used it in our work. 4. If ordinary gases are greatly compressed, they become liquids. 5. If supercomputers had not been used for thermodynamic calculations, designers would have spent all their lives on computa­tions. 6. If you think that a computer never makes mistakes, you are wrong. 7. If extreme temperatures generated by atmospheric friction were not so high, a hypersonic craft would not require complicated cooling measures. 8. If we had been told about the lec­ture on reliability in spacecraft production, we should have come by all means. 9. Superconductivity can be obtained in some materi­als if the temperature is very low and close to absolute zero.

В. Поставьте глагол в скобках в соответствующую форму.

1. It you (to know) English well, you will be able to read books in the original. 2. If I get this book, I (to be) very happy. 3. You (to become) much stronger if you did your morning exercises regu­larly. 4. If she went to work in France, she (to learn) French very quickly. 5. If he (to see) her, he would have spoken to her. 6. I (to help) them if I had been at home. 7. You (to write) the testwork well if you have learnt grammar. 8. If she (to ask) me yesterday, I should have told her about it. 9. If we had not been present at the lecture, we (not to understand) the new approach to the solution of the problem.

С. Закончите предложения.

1. I would work much better if.... 2. Life would be much sim­pler if.... 3. Use every opportunity to practice English if.... 4. I would have started to study English earlier, if.... 5. I would have had more opportunities, if....

Упражнение 2. А. Измените предложения согласно образцам:

If I were free, I should help you. Were I free, I should help you.

If he had known about the lecture, he would have come. Had he known about the lecture, he would have come.

1. If it were possible, we should begin this work at once. 2. If he had had all the necessary books, he would have made his report in time. 3. If the books had been available in our library, we could have done this work much earlier. 4. If there were no computers, space flights would be impossible. 5. If drivers were more attentive while driving, there would be less accidents on the road.

В. Переведите бессоюзные условные придаточные предложения.

1. Had he used new materials, the device would have been more reliable. 2. Were electric motors used, cars would not pollute the air, would be practically noiseless and very easy to control. 3. Had they applied the new method, the result would have been much better. 4. Were the design of cars improved, the fuel consumption would be greatly reduced. 5. Had a less explosive gas been used in dirigibles at the beginning of the century, they would have been in operation since that time. 6. Were it possible to learn how birds find their way, people would use the principle to develop a naviga­tion system for aviation.

Упражнение 3. Переведите предложения и запомните значения глагола to provide и союза provided.

1. The experiments conducted provided very good results. 2. Rus­sian technological achievements that provided the launching of rockets are known all over the world. 3. A tire pressure display pro­vides informatioii for front and back pairs of tires. 4. Provided new composite materials are used, it will be possible to reduce overall aircraft weight. Provided with a new vacuum-controlled carbure­tor this car model has several important advantages. 6. Superliners could develop a higher speed provided some special cooling mea­sures were used. 7. An aircraft pilot can get all the information he needs provided he contacts a radio navigation station. 8. The work done provided us with new data. 9. Having measured the distance between two points, it is possible to calculate the time during which a car can cover it provided we know the car's average speed. 10. Our laboratory has been provided with the latest equipment.

Упражнение 4. А. Дайте степени сравнения для прилагательных.

great, easy, good, far, many, difficult, possible.

B. Поставьте much перед прилагательным в сравнительной степени (го­раздо, намного), переведите.

late, simple, important, valuable, quick, reliable, useful, com­plex.

C. Переведите словосочетания.

гораздо (намного) раньше, гораздо (намного) длиннее, на­много (гораздо) труднее, намного эффективнее, намного легче.

Упражнение 5. А. Найдите русские эквиваленты для словосочетаний.

as old as seagoing, a round container, the Swiss National Fair, as primitive as marine life, so-called, to take people deep into the lake, underwater tasks, around the ocean floor, wrist of the manipu­lator, to lift 120 pounds, marine life, the world's deepest vehicle, underwater helicopter.

швейцарская национальная ярмарка; подводные работы; опускать людей на большую глубину озера; по морскому дну; подводный вертолет; запястье манипулятора; морской живот­ный и растительный мир; самый глубоководный в мире аппа­рат; такая же примитивная, как и морская среда (жизнь); так же стары, как мореплавание; так называемый; круглый кон­тейнер; поднимать 120 фунтов.

В. Переведите словосочетания.

round glass container, marine life people watch around them, centuries before, to take people deeper than before, difficult under­water tasks, mounted on a metal platform, it looks like an underwa­ter helicopter, move like a sport car, video cameras provide vision, to lift up to 120 pounds, work for up to nine hours.

Дата добавления: 2015-08-18