Вопрос № 57409 - Английский язык

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Colloids exist in nature in the cells of plants and animals, in the sap of certain plants, among which is the rubber tree, and in the class of foods are called proteins. Colloids have recently come to be of tremendous importance in certain manufacturing processes, including the making of glass, rubber and artificial silk, tanning leather and dyeing.

Colloids exist in nature in the cells of plants and animals, in the sap of certain plants, among which is the rubber tree, and in the class of foods are called proteins. Colloids have recently come to be of tremendous importance in certain manufacturing processes, including the making of glass, rubber and artificial silk, tanning leather and dyeing.
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The story of the 1_______ of electricity is connected with the name of Thales, the Greek philosopher. The story goes that one day Thales rubbed a piece of amber against his sleeve and found to his great surprise that it 2_______ small bits of dried leaves. After further experimenting he concluded that this attractive 3_______ was a property that amber alone possessed. He called this characteristic “electricity” because the Greek word for amber was 4_______.

There is no federal educational standard in the USA. Schooling and educational programmes are the responsibility of each state; this is why one can find great differences in education from state to state. No uniform demands exist on education in schools or universities throughout the nation. In most states attending school is obligatory for children between six and seventeen. Secondary education institutions include elementary schools and high schools.
Higher education in the USA is not nation-wide. Colleges differ a lot from each other in scale and level of education as well as in the “quality” of diplomas given. There are private and state universities. Private education is considered more prestigious. The most famous private university is Harvard. Higher education is rather expensive in the USA.
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There is no federal educational standard in the USA. Schooling and educational programmes are the responsibility of each state; this is why one can find great differences in education from state to state. No uniform demands exist on education in schools or universities throughout the nation. In most states attending school is obligatory for children between six and seventeen. Secondary education institutions include elementary schools and high schools.
Higher education in the USA is not nation-wide. Colleges differ a lot from each other in scale and level of education as well as in the “quality” of diplomas given. There are private and state universities. Private education is considered more prestigious. The most famous private university is Harvard. Higher education is rather expensive in the USA.
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Why can we find great differences in education from state to state?

The part of the UK which is officially bilingual is …