Question

INFECTIOUS DISEASES Infection means invasion of the body by microorganisms, which are harmful. Infection may pass from one person to another through blood, stools, saliva, instruments; it may enter the body through skin cuts. There are intestinal infections; infections of the respiratory tract; skin infections and infections spread by living insects. All-the infectious diseases are divided in several stages. They are: 1) the period of incubation, 2) the prodromal stage during which the initial symptoms may appear, 3) the stage of a fully developed disease, 4) the stage of decline. To establish a proper disease it is necessary to do some laboratory tests. Characteristic symptoms of the diseases may be local and systemic. A sore throat, sneezing, nausea and vomiting, restlessness and prostration, pain the limbs and back, rash may occur among the most characteristic local symptoms. A lot of disease may begin with these symptoms. It is necessary for a medical staff to be careful during physical examination of the infected patients. There are two important steps, which must not omitted: to take the temperature and examine the throat. A nurse who looks after the infected person must wear a special gown and a mask. She must wash her hands with soap as often as she can, she must be very careful to prevent the spread of the infection. 4.Выпишите из текста предложения, где есть модальный глагол «must». 5.В каком грамматическом времени составлен текст?

Answer 1

Ответ:

Объяснение:

4. There are two important steps, which must not omitted: to take the temperature and examine the throat.

A nurse who looks after the infected person must wear a special gown and a mask.

She must wash her hands with soap as often as she can, she must be very careful to prevent the spread of the infection.

5. Present PerfectPerfect

Answer 2

Из текста выделены следующие предложения, в которых есть модальный глагол "must":

1. "She must wash her hands with soap as often as she can."
2. "She must be very careful to prevent the spread of the infection."

Текст составлен в настоящем времени (Present Simple).