Тавасарова А. А



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Exercises III



Complete the text with a/an , the or leave blank for zero article.

( Қажет ететін сөйлемде a/an/the артиклін қолданып сөйлемді аяқтаңыз)

Energy

a................ waves are vibrations that transfer energy from place to place without

b………… matter (solid, liquid or gas) being transferred. For example, think of c…………. Mexican wave in d ………… crowd at e………… football match. f………….wave moves around g………….stadium, while each spectator stays in their seat, only moving up then down when it’s their turn.

Some waves must travel though h………….. substance. This substance is known as i……….. medium, and it can be solid, liquid or gas j. …………. sound waves and seismic waves are like this. As the waves travel through it, k……… medium vibrates.

Other waves do not need to travel through l ………….. substance. They may be able to travel though m………….. medium, but they do not have to n. ……….. visible light, infrared rays, and microwaves are like this. They can travel though o……….. empty space.



Complete the text with a/ an, the or leave blank for zero article.



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