Низомий номидаги Тошкент давлат педагогика университети

TASK 1: Video task.
Record a video about “Great ancestors of Uzbekistan”. This task is worth 5 points. The student should himself or herself individually present on the screen and tape his or her own voice.
(Video topshiriq 1. “Buyuk O’zbek xalqi ajdodlari” mavzusida video rolik tayyorlang. Videoda talabaning o’zi gapirishi va ko’rinishi kerak.)
(Запишите видео о «Великих предках узбекского народа». Это задание оценивается в 5 баллов. Студент должен сам презентовать на экране и записать свой собственный голос.)
TASK 2: READING.
Read the text and fill in the blanks with the appropriate verbs in passive from the box. This task is worth 5 points.

deplete, destroy, release, emit, consider, produce

The Hole in the Ozone Layer
Since existing of humanity they tried to make their life much easier, happier, so they invented cars, air-conditioners, fire extinguishers and many others. As a result the ozone layer (0) has been depleted .
Ozone itself is a useful protective layer high above our heads. Scientific evidence indicates that the damage of the ozone in the stratosphere high above the planet’s surface has been bought as the result of the widespread use of chemicals. The stratospheric ozone (1)_____________________ by manufactured chemicals, containing chlorine or bromine. These chemicals are called ≪ozonedepleting substances≫ (ODS) which under normal conditions are chemically harmless. Stratosphere is about 15-50 kilometres above the Earth surface.
What’s more, ODS have a long lifetime in our atmosphere - up to several centuries. This means most of the ODS(2)__________________ over the last 80 years and they are still making their way to the stratosphere, where they will add to the ozone destruction. For example, large amounts of gas called CFCs (3)__________________ in the twentieth century for use in everyday appliances like fridges, aerosol spray cans, and fire extinguishers.
One type of ODS is Halons. They were used in specialized fire extinguishers. Halons can destroy up to 10 times as much ozone as CFCs can. For this reason, halons (4)__________________ to be the most serious ozone-depleting group of chemicals.
Ozone layer holds harmful ultraviolet radiation which (5)_______________ by the Sun ultraviolet radiation. It can damage cells of living, affect the growth of plants. The worst is the generation of “green house”, or “global warming”.