estudayoftherelationsbetweenlivingthingsandtheenvironment.e______somethingthatpeopleburnforheatandenergy.c_____apersonwhorepresentssomeoneelse"spolicyorpurpose.r____headofagovernment(insomecountries).P____putspecialemphasisons____haveaneffectona_______tocleansomethingbyrubbingitssurfacewithacloth.w______

熱心網(wǎng)友

ecology生態(tài)學(xué), coal煤, representative代表, President總統(tǒng), stress強(qiáng)調(diào)，affect影響， wipe擦

熱心網(wǎng)友

especiallycauserefer toPresidentsomethingaffectationw--不知道這個(gè)了

熱心網(wǎng)友

這是大問(wèn)題