雪松的叶形为()。 ["A、针形,在短枝上轮生","B、针形,在短枝上簇生","C、针形,在短枝上对生","D、条形,在短枝上簇生"]
哪部儒家经典被称为群经之首?() ["《诗经》","《尚书》","《礼经》","《易经》"]
新鲜冰冻血浆中血浆蛋白含量应()。 ["≥25g/L","≥30g/L","≥40g/L","≥45g/L","≥50g/L"]
不同类型土壤水分中,()的有效性最低。 ["A、重力水","B、膜状水","C、毛管水","D、吸湿水"]
测量西服成品胸围按()计算。
女西装总肩宽测量以后,不需()。