I.3. Подчеркните сказуемое в каждом из следующих предложений и назовите его видо-временную форму. Переведите эти предложения.
1. Accepted daily allowances for oral administration of vitamins have been established, but there is no consensus on recommendations for intravenous (IV) administration.
2. Selenium deficiency has been associated with muscle pain and cardiomyopathy.
3. It has been estimated that 30-50% of the patients admitted to hospitals have some degree of malnutrition.
4. For many years, the unit of measurement for the activity of vitamins A, D, and E has been the International Unit (IU) which is analogous with the United States Pharmacopea (USP) unit.
5. Lack of sufficient fibre in the diet has been linked to cancers of the colon and rectum, diverticulitis, hemorrhoids, varicous veins and heart disease.
6. Vitamin В3 (niacin) has become a "hot" vitamin because of the role it plays in reducing cholesterol.
7. Scientific research has proven that a deficiency of an isolated vitamin or mineral can produce the same symptoms as a deficiency of that mineral or vitamin.
8. Excess iron build-up in the tissues has been associated with a rare disease known as hemochromatosis, a disorder that causes bronze skin pigmentation, diabetes, and heart disorders.
9. If an overdosage has been caused by taking small dosages too frequently, the symptoms may be more difficult to recognize.
10. A physician received a call from the parent of a 2-year old child who had ingested an unknown quantity of analgesic tablets.
11. By the middle of 19th century several organic compounds had been produced by reaction of purely inorganic materials, and the unique character of organic compounds was recognized.
12. The clinical testing of the drug will have been completed by next February.
I.4. Укажите номера предложений в предыдущем упражнении, в которых глагол в видовой форме Perfect использовался для выражения:
a. завершенности действия;
b. незавершенности действия;
C. завершения действия к какому-то времени в прошлом или будущем.
I.5. Заполните пропуски в тексте предлогами. Прочтите текст вслух.
First Aid for Poisoning
Some years ago the treatment _____ a person who had swallowed a poison was immediately to give him an emetic or an antidote. An emetic, such as two spoonfuls _____ salt _____ a glass _____ warm water, causes vomiting and so clears the stomach _____ the poison. An antidote is a substance that reacts _____ the poison to make it less harmful. For example, magnesia helps to neutralize an acid poison.
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Unfortunately not every poison has an antidote. And emetics often cause a corrosive poison to spread into the gullet and mouth, so producing further damage.
Nowadays the advice _____ a victim _____ poisoning is to take him or her _____ a doctor or hospital as quickly as possible. Expert advice can be obtained _____ phone _____ a local hospital.
Give _____ the doctor or first-aider a sample _____ the poison or the empty bottle or jar it was _____, and a sample _____ vomit if the person has been sick. An ambulance, a motor vehicle, or even a helicopter can be used _____ transportation, and _____ this way medical help is often just a few minutes _____.
I.6. Прослушайте небольшой текст, в котором дается инструктаж для студентов перед практическими занятиями в химической лаборатории и дайте ответы на следующие вопросы:
1. Who is the speaker?
2. What is her job?
3. When does this talk take place?
4. What does the speaker ask the students to do and NOT to do?
5. What example does she give as a warning?
I.7. Прочтите следующие вопросы и отметьте номера тех вопросов на которые вы можете ответить и тех, на которые вы затрудняетесь ответить. Выразите свое мнение по каждому из вопросов.
1. What is a poison?
2. Are the words “poison” and “toxin” absolutely synonimous?
3. How are the poisons classified?
4. What classes of poisons do you know?
5. What are the sources of poisoning?
6. Does the physical form of a poison influence its toxicity?
7. What groups of drugs have a high potential for toxicity?
8. It alcohol a poison?
9. How can regular consumption of alcohol affect the body?
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10. Is the job of a chemist dangerous? If so, why?
II. Работа с текстом.
II.1. Ознакомьтесь со словами к тексту А:
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