M. Sechenov investigated blood gases in 1858. И. М. Сеченов исследовал газы крови в 1858 году.

It was Sechenov who investigated blood gases in 1858. Именно Сеченов исследовал газы крови в 1858 году.

It was blood gases that Sechenov investigated in 1858. Именно газы крови исследовал Сеченов в 1858 году.

It was not until 1858 that Sechenov investigated blood gases. (Именно) только в 1858 году Сеченов исследовал газы крови.

Какая конструкция в английских предложениях соответствует русскому «именно», «только»? Длячего она употребляется ?

VII*. Переведите следующие предложения :

It is in the alveoli that the respiratory metabolism takes place. 2. It is hemoglobin that carries oxygen to different tissues of the human body. 3. It was not until 1628 that blood circulation was described by William Harvey.

VIII. Используйте усилительную конструкцию для выделения членов

Предложения ( письменно ): Prof. Lesgaft understood well the importance of physical culture.

IX. Прочтите и переведите следующие слова:

mechanism ['mekənizm], cortex ['kɔ:teks], communication [kə,mju: ni'keiʃn], stimuli ['stimjυlai], summarize ['sAməraiz], analyse ['fnəlaiz], constant ['kɒnstənt], hypothalamus [,haipə'θfləməs].

X. Выучите следующие слова и словосочетания: complicate ['kɒmplikeit] v усложнять, осложнять; complicated

['kɒmplikeitid] а сложный; запутанный

directly [di'rektli] adv прямо; непосредственно; немедленно

ear [iə] n ухо

sense [sens] n чувство, ощущение; смысл, значение

pain [pein] n боль

smell [smel] n обоняние; запах; v обонять; пахнуть

feeling ['fi:liŋ] n чувство, ощущение

order ['ɔ: də] n порядок; приказ; v назначать, прописывать; заказывать (лекарство); in order to для того, чтобы

move [mu:v] v шевелиться; двигать(ся), передвигать(ся)

area ['eəriə] n область; поле; пространство

control [kən'trəυl] n контроль; управление; проверка; v управлять;

контролировать; купировать (боль, болезнь); проверять vision ['vi3n] n зрение almost ['ɔ:lməυst]adv почти; едва не

XI. 1. Прочтите текст А. 2. Найдите и переведите предложения, содержащие: а) усилительный оборот; б) Present Perfect Passive. 3. Найдите английские эквиваленты следующих словосочетаний и выучите их: органы чувств, по поводу (о) боли, многое другое, двигательный отдел коры головного мозга. 4. Составьте план текста .

Text A. The Brain

Scientists consider that our brain is the most complicated mechanism which has ever been constructed.

The weight of the human brain is from 1 to 2 kg (kilograms). It has a volume of about 3.21 l (litres) and consists of about 12 billion ( миллиард ) cells. It has been determined by the scientists that each cell is connected to the other directly or indirectly by nerve fibers.

The brain is the centre of a wide system of communication. It has been found out that a constant flow of stimuli comes into the brain through the spinal cord. The stimuli come to the brain from our eyes, ears, and other sense organs for pain, temperature, smell and other feelings. When all the received stimuli have been summarized and analysed the brain sends orders through the nerve fibers in the spinal cord to different parts of the human body. It is due to these orders that one eats, moves, hears, sees and does many other things.

To estimate the functions of different areas of the brain many experiments have been carried out by the investigators. It is due to such experiments that the investigators have been able to determine those areas of the brain which control vision, hearing, physical movements and even emotions.

Due to experimental studies it has been determined that the motor cortex controlling many body movements of the human being becomes tired rapidly. But the hypothalamus which controls such functions as blood pressure is almost never tired.

CLASS ASSIGNMENTS

XII. Say the following sentences in the Past and Future Perfect Passive:

The work has been completed. 2. The important findings have been proved. 3. The number of leucocytes has been counted. 4. A female patient has been transferred to the hospital.

XIII. Make the following sentences negative and interrogative:

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