A popular invention, discovery or an event

TASKS

TASK 1. Look at the pictures and write some inventions or discoveries of humanity in history which brought unintended consequences.(Rasmlargaqarab, insoniyattarixidafoydalimaqsadlaruchunyaratilgan, ammo salbiyoqibatlargaolibkelganixtirolarniyozing.)

A popular invention, discovery or an event	Unintendedconsequences
1. An atom	1. A terrifying weapon/atom bomb
2. factories______________	2. __smoke________________________
3. _drug_____________	3.____makes you addicted to it _______________________
4. _satellite_____________	4. __internet_________________________

TASK 2. Listen to the tape and fill in the blanks with appropriate words and phrases. (Audio materialnitinglang, gaplarnikerakliso’zvaiboralarbilanto’ldiring.)

Chinese farmers were not (a)____________________with the little harvest they gathered in 1958. Calculation showed that (b)_4.5_____ kg of grain was eaten by each sparrow. Under the influence of sparrow grain seed eating habit a Chinese leader Mao Zedong ordered the (c)_______________ of sparrows. The whole (d) ____________________ killed hundreds of millions of sparrows. Ways of (e) ________________ includedbreaking eggs, killing chicks as well as shooting sparrows down from the sky. On December 13, sparrows were terrorized by children, workers, farmers holding their pots and pans (f)________________ birds’ landing.Result of these efforts was a nearly (g)_______________ of sparrows in China. Sparrows were replaced withanother type of crop eater, a large type of grasshopper population (h)______________. In 1960, it became known that sparrows ate also (i)_______________ which made Mao Zedong order to stop Great Sparrow War.

TASK 3.Read the text and fill in the blanks with the appropriate verbs in passive from the box.(Fe’llarnimajhulnisbatdategishlizamondaishlating.)

deplete, bring, destroy, call, release, emit, use, 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 layerhas 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__was destroyed____________ as the result of the widespread use of chemicals.

The stratospheric ozone __is produced____________ by manufactured chemicals, containing chlorine and/or bromine. These chemicals __________ “ozone-depleting 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 ____________ 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____________ in the twentieth century for use in everyday appliances like fridges, aerosol spray cans, and fire extinguishers.

One type of ODS is Halons. They__________ in specialized fire extinguishers.Halons can destroy up to 10 times as much ozone as CFCs can.

For this reason, halons _____________ to be the most serious ozone-depleting group of chemicals.

Ozone layer holds harmful ultraviolet radiation which __________ 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”.

TASK 4.Write about the “seen today and may occur in the future” unintended consequences of one of the issues listed below.

(Berilganmuammolardanbirinitanlab, hozirgikundako’rinibturganvakelajakdasodirbo’lishimumkinbo’lgankutilmaganoqibatlarihaqida 4-5ta gap yozing.)

1. Tax from income 2. Internet 3. Robots

4. Technology 5. Nuclear power 6.Computer 7. Medicine

If technology was developed, the world wolud be changed. for example, if people use it for good purposes, people will also develop, people’s spiritual world will be rich. if it is used for malicious purposes, the world is in danger. with its help it is possible to subdue the whole of humanity and become a guide to them. so the internet is constantly monitored and checked.