Complete the text with the correct form of the past simple or past continuous. then listen again and check. last summer, pete and maria, went (go) on a cruise holiday in the caribbean with their parents. one day the ship (sail) between some islands when it (stop) and the captain said, "you can all swim now. pete and maria .. gjump) in the water to look at the fish. while they (swim), the wind (push) them behind the ship. suddenly, they. (see) some sharks coming towards them. they (swim) fast as possible to the nearest island. then the ship (begin) to sail away. they 1 (shout) for help they could still see their parents, who ". . (relax) on sunbeds on the deck!

1) The police have been here for an hour already.

2) The news is threatening.

3) The mass media has a lot of influence on people.

4) A serial is a long story whose parts are presented on TV or radio.

5) Robert W. is a broadcaster

6) Ron is spying on Walter.

2.Present Progressive Passive or Past Progressive Passive.

1) The Net is being surfed by our students at the moment.

2) When the new actors arrived, the film was being shot

3) Peter’s future was being discussed at the parents’ meeting yesterday.

Объяснение:

PROTOZOAL DISEASES OF ANIMALS:Pathogens of these diseases are protozoa, piroplasma for example, parasites in the red blood cells (erythrocytes, leukocytes). Sick many species of wild and domestic animals — large and small cattle, horses, pigs, dogs etc. periplasmic Vectors are ticks. The simplest are also the causative agents of Eimeria, toxoplasmosis, sarcocystosis and other diseases.

DISEASES CAUSED BY INSECTS:Insects can be vectors of infectious and invasive diseases, as well as cause independent of the disease. For example, Ovodova disease, sipunculidae (lice), etc. Many of the insects are pests of animal products — carpet beetle, moth etc.