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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【多选题】建筑平面图中内部尺寸标注的是:内墙墙厚、室内净空大小、内墙上门窗的位置及宽度等
A.
导热系数、表面密度或干密度
B.
导热系数
C.
抗压强度
D.
压缩强度
E.
抗剪强度