I. перепишите следующие предложения, подчеркните в каждом из них глагол-сказуемое и определите его видовременную форму и залог. переведите предложения на язык. в разделе (б) обратите внимание на особенности перевода пассивных конструкций. а) 1. we often use plastics nowdays. 2. scientists have found ways of measuring the sizes and positions of bodies in the universe. 3. scientists had solved many interesting problems by the end of the 19th century. б) 1. iron is referred to as the most important metal of our metallic age. 2. the name electron was given to the small negative particle discovered by thomson. 3. the ignition was followed by combustion. ii. перепишите следующие предложения. подчеркните participle ii и установите его функцию, т. е. укажите, является ли оно определением, обстоятельством или частью глагола-сказуемого; предложения переведите на язык. 1. when electrified a body may repel as well as attract different objects. 2. heat gained by one substance is heat lost by another. 3. another method to produce high-energy particles is based on superconductivity. iii. перепишите следующие предложения, подчеркните в каждом из них модальный глагол или его эквивалент; предложения переведите на язык. 1. infra-red waves can be stopped by glass. 2. soon we shall be able to understand many phenomena which occur on the solar surface. 3. today the scientists have to concentrate their attention on the production of artificial materials. 4. the samples are to be analysed at our laboratory.

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