estudayoftherelationsbetweenlivingthingsandtheenvironment.e______somethingthatpeopleburnforheatandenergy.c_____apersonwhorepresentssomeoneelse"spolicyorpurpose.r____headofagovernment(insomecountries).P____putspecialemphasisons____haveaneffectona_______tocleansomethingbyrubbingitssurfacewithacloth.w______
热心网友
ecology生态学, coal煤, representative代表, President总统, stress强调，affect影响， wipe擦
热心网友
especiallycauserefer toPresidentsomethingaffectationw--不知道这个了
热心网友
这是大问题