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1. There is an armchair in your kitchen.

2. Did you clean your room yesterday?

1. It was very cold in winter.

1.вы должны попытаться выяснить, так много фактов, как можно больше об этой экспедиции в антарктику.2.группа экспертов должны анализировать сложившейся ситуации связанные с экологическими проблемами нашего города.3.молодому инженеру разрешили применять мобильное оборудование в его экспериментах на поле.4.этот производственный процесс должен был быть улучшен новыми техническими средствами.

1. you should try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

the nobel prizes are annual international awards bestowed by scandinavian committees in recognition of cultural and scientific advances. they were established by the swedish chemist alfred nobel, the inventor of  dynamite. the prizes in physics, chemistry, psychology or medicine, literature and peace efforts were first awarded in 1901. the sveriges riksbank prize in economic sciences in memory of nobel was instituted in 1968. although this is not technically a nobel prize, its announcements and presentations are made along with other prizes. each nobel prize is widely regarded as the most prestigious  award in its field. each laureate is presented with a gold medal, a diploma and a sum of money which depends on the nobel foundation’s income that year. the prize cannot be awarded posthumously ,  nor may a prize be shared among more than three  people.