شرکت در آزمون آنلاین
انگلیسی 3
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درس سوم
| آزمون شماره 4419
1- The gases, especially methane and carbon dioxide, ………. the Earth’s heat radiation and thus warm the surface.
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The electricity powering the lights in this theater is generated by ................... panels.
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During my presentation , I'm going to cite the ............................................. of the people who invented the microchip.
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