Butwepaya ____ financialandecological ____forourlovelypackaging.TheUnitedStates _____about180millionmetrictonsofdomestic ______ peryear,70%ofwhichis ______ material,includingexpensivealuminumfoilandnon-degradable ______.TheaverageAmericanfamily ____ sixtrees’worthofpaperayear.IfyouplacedallthecansusedintheUnitedStatesinone_____endtoend,theywould ______ tothemoonandbacktwelvetimes.Justhowstupidcanyou ______ be?播放第二个音频（）

“3R+1D”，即减少使用Reduce、重复使用Reuse、回收Recycle、和降解Degradable。（ ）

绿色包装设计遵循的3R1D原则是指()。 A: reduce B: recycle C: reuse D: degradable

绿色包装设计遵循的3R1D原则是指()。 A: reduce B: recycle C: reuse D: degradable

绿色包装设计的核心,包括 A: Reduce B: Reuse C: Recycle D: Revocation E: Degradable F: Function

３、绿色包装设计遵循的3R1D原则是指（ ）。 A: reduce B: reuse C: recycle D: degradable

这些年，我国的包装回收意识正积极向国际接轨，倡导绿色包装、生态包装和循环包装，做到减量化（）、重复使用（）、回收利用（）和可降解（）等。 A: reduce；reuse；recycle；degradable B: recycle；random；reduce；degradable C: reduce；reuse；repack；deglutition D: repack；reuse；random；deglutition

Which of following is the merit of agar as a solidifying agent for culture medium? A: Transparent B: Not degradable for most microorganisms C: Melt at 90-100 degree C D: All above

Which of following is the merit of agar as a solidifying agent for culture medium? A: Not degradable for most microorganisms B: Melt at 90-100 degree C C: All the three choices D: Transparent