Определите в каждом предложении модальный глагол или его эквивалент. переведите на язык. 1. we can think of heat as a special form of kinetic energy. 2. a computer should solve complicated problems many millions of times faster than a mathematician. 3. new types of plastics had to be obtained for space technology. 4. to measure the temperature of gases, the scientists have to use special devices.

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