Предмет: Другие предметы, автор: Dianochka030711

Помогите очень нужно до завтра !!

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Автор ответа: Kami535

Родился в 1810 году 22 фквраля-в Польше

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Предмет: Математика, автор: NISNAYKA

Можно ли между числами от 1 до 9 расставить знаки "плюс" и "минус" так,чтобы получилось число 40 (подскажите с ответом)

2 года назад

Предмет: Английский язык, автор: tihomirovgg

4. Прочитайте и устно переведите следующий текст на русский язык, а затем выполните задания к нему.

In some rural agricultural societies, the collection of available fuel such as firewood, dung cake, and agricultural waste can take 200 to 300 person-days per year. As well as being time consuming, the typical patterns of collection lead to deforestation, soil erosion, and ecological imbalances. In the future, experts predict that even if food supplies are adequate for rural populations, fuel supplies for domestic use may not be.

In the light of such considerations, a team in India has developed a solar oven for home use. The oven is cheaply constructed, easily operated, and extremely energy efficient. The device consists of an inner and outer metal box, a top cover, and two panes of plain glass. The inner box is painted black to absorb maximum solar radiation. The space between the two boxes is filled with an insulating material, such as rice husks, which are easily available and which, because of their high silicon content, neither attract insects nor rot easily. Other easily available materials for insulation are ground nutshells or coconut shells. An adjustable mirror mounted on one side of the oven box reflects the sunlight into the interior, boosting the temperatures by 15-10 degrees Celsius. This is most useful during the winter when the sun is lower. Inside the oven, a temperature between 80 and 120 degrees Celsius above ambient temperature can be maintained. This is sufficient to cook food gradually but surely. Trials have shown that all typical food dishes can be prepared in this solar device without loss of taste or nutrition.

1. This passage is mainly about

(A) deforestation in the rural agricultural societies

(B) use of rice husks in an insulation material

(C) design and use of a solar oven

(D) maintenance of temperature in a solar oven

2. All of the following are mentioned as typical fuels in parts of rural agricultural societies EXCEPT

(A) firewood

(B) dung cake

(C) solar power

(D) agricultural waste

3. According to the passage, the use of an adjustable mirror increases the oven temperature by

(A) 80-120 degrees Celsius

(B) at least 80 degrees Celsius

(C) up to 30 degrees Celsius

(D) up to 15 degrees Celsius

4. According to the passage, the adjustable mirror is most useful

(A) at midday

(B) during the winter

(C) when firewood is lacking

(D) to improve taste and nutrition

Письменно переведите на русский язык весь текст.

2 года назад

Предмет: Английский язык, автор: Лампочка322

Грамотный перевод,пожалуйста,помогите! Смысл прямой речи никак не пойму... Quintilian, the prominent Roman school master, wrote in his work published about 95 AD the following about a teacher and his work: “Let him adopt a parental attitude to his pupils. Let him be free from vice himself. Let him be strict but not austere, kind but not too familiar: for austerity will make him unpopular while familiarity breeds contempt. He must control his temper without shutting his eyes to faults requiring correction. His instruction must be free from affection, his industry great, his demands on class continuous, but not extravagant. He must be ready to answer questions and to put them unasked to those who sit silent. In praising the answers of his pupils he must be neither grudging nor over-generous. In correcting faults he must avoid sarcasm and above all abuse to discourage industry.”