Not Acceptable: Plastic movie; aluminum pans and foil; metallic objects; hangers; cans that contains food stuff or liquid residue; aerosol cans. 物理、力学、光学、量子物理、生物、化学、天文学、植物学、生物工程、土木工程、生物化学、基因学、微生物、机械工程、营养学、遗传学、地质学、生态学、解刨学等。 Book reports usually describe what occurs in a work; their focus is totally on providin... https://bookmarklethq.com/story14917622/the-best-side-of-report%E4%BB%A3%E5%86%99