Кто знает значение этой пословици: ,,Часы на стене, а время на спине,,Помогите объяснить..

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Помогите придумать сценарий к сказке Лиса ,заяц и петух ^-^

N2O5+Ca(OH)2=? MgO+SO3=? NaO+H2O=? SO3+H2O=?

read the following "angry" letter to the editor. Write a letter in defense of technological progress. Use the arguments from the box and/ or your own ones.

Dear Editor,
I really don't think that readers need your journal any more. In your articles you write about new achievements of scientists and about all those "man made wonders". I'm strongly against the propaganda of technological progress. It has done people more harm than good. It has created the nuclear bomb, it has made lots of animal species extinct, and now it's destroying the ozone layer and causing global warming. It will bring us to collapse very soon.
I demand that scientific research of any kind should be prohibited, and journals like yours should be closed. People need fresh air and clean water and don't need any technological progress.
Sincerely your,
John Lester

Useful language
Achievements in medicine make it possible for people to live longer.
Different devices are able to sustain people's life during operations.
Household appliances have altered our lifestyle considerably.
Efficient means of transport and communication can bring together people who are separated by the ocean.
Computers and robots accelerate research in the ocean and the cosmos.

Dear Mr Lester
I've read your letter on the technological progress but cannot agree with you. Though technology affects nature and the environment, it would be unfair to say that they don't do people anything good.

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However,you are right that we should do something to stop the negative effects of the technological progress. We all need to think about it and be reasonable and constructive.
Regards,
Railya.