4. Впишите эквиваленты указанных модальных глаголов в Present Simple. 1. Any information … be represented by the binary system. (may)
2. A computer … put out information, display the answers when it receives them. (can)
3. Information for a digital computer … be in the form of digits or numbers. (must)

5. Определите название подчёркнутой грамматической формы.
1. Participle 1.
2. Participle 2.
3. Passive Voice.

Archaeologist - a scientist who studies the life and culture of ancient civilizations on the remains of their life. The main tasks of the archaeologist works include excavations to search for the study of sources. Archaeology is often compared to the work of the detective. This is a creative profession, as you have to use your imagination and abstract thinking to recreate a pristine picture of the past of the world. Archeologists work as if with some puzzle elements, which need to pull together to solve the mystery. Sometimes, the entire disclosure of the secrets of some ancient culture or archaeological site takes years.

USA is located on the continent of North America. The country is divided into three parts: the Continental hotel is located in the center of the continent, the Peninsula of Alaska and Hawaii. The geographical position of the United States: from the East by the Atlantic ocean, on the South waters of the Caribbean sea, or rather in its waters of the Gulf of Mexico. Pacific coast country bordered on the West and South-West. The Arctic ocean on the Alaskan Peninsula to the North and North-West. The Hawaiian Islands are located at a distance of about 4000км from the mainland in the Pacific ocean. On Attalos Hawaiian Islands the highest active volcanoes in the world.
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