Часть III. Контрольно-обобщающее упражнение к уроку 21

Контрольно-обобщающее упражнение к уроку 21

Укажите, в каких предложениях употреблены сложные инфинитивные конструкции. Переведите предложения.

1. Such impurities are thought to be allergenic. 2. We know sewage to be the water carried discharges of the human body together with the liquid wastes from household and factory. 3. Have you taken anything to relieve your headache? 4. Water appears to be the largest constituent of the body making up two-thirds of the total mass of the human organ­ism. 5. Experiments with magnetic resonance seem to support the belief that intracellular water is closer to crystalline than the liquid state. 6. Anomalous expansion of water at temperatures near freezing point enables fresh water fish to survive cold winters.

(Ответ: 1, 2, 4, 5. Если вы ошиблись, повторите §§ 26, 27 Грам­матического справочника.)

LESSONTWENTY-TWO

NOISE POLLUTION

Повторение: Виды придаточных предложений (§ 29)

Часть I Слова к части I

noise [noiz] n шум

environmental [in,vai9r9n'mentl] а от­носящийся к окружающей среде

threshold ['0reJ(h)ould] п порог

scale [skeil] n шкала

background ['baekgraund] n фон

anxiety [aerj'zaiati] n беспокойство, тревога

anxious ['aegkfas] а озабоченный, беспокоящийся; стремящийся, желающий

deaf [def] а глухой

deafness ['defnis] n глухота

assess [a'ses] v оценивать

assessment [s'sesmsnt] n оценка

216 ♦ Learning to Understand a Medical Text

Упражнения

Упражнение 1. Прочтите и переведите следующие придаточные предложения.

1. We know the greatest hazard to man is found in the water contam­inated with the discharges from the human body. 2. The principal mea­sures which we use in water purification are: aeration, coagulation, sedi­mentation, filtration, softening, desinfection (chlorination), absorption (activated carbon), corrosion correction. 3. Civilization requires that the wastes of the human body should be removed from habitation safely and promptly. 4. Were the water not desinfected with chlorine, the pathogen­ic and other forms of bacteria would not be destroyed. 5. If we used the preventive measures against water contamination in time, we could save many people from poisoning. 6. Had they not purified the drinking water in this area, the disease would have been immediately transmitted.

Упражнение 2. Напишите исходные слова к нижеприведенным производ­ным; переведите их.

noiseless, excessive, equality, deafness, assessment

Упражнение З. Просмотрите текст А. Передайте основное содержание текста.

Text A