【单选题】常用混凝土保护层最小厚度是按哪个设计年限
【单选题】伦敦外汇市场报价 GBP1=USD1.5246~1.5250 银行的买入价是
【单选题】A 68-year-old woman presents with fever, chills, and cough productive of blood-tinged sputum. Fluid aspirated from the right pleural space would most likely.
A.
be clear and straw-colored in appearance
B.
contain large numbers of neutrophils
C.
have a glucose content somewhat higher than the serum glucose
D.
have a protein content of less than 1g/dL
E.
have a specific gravity of 1.012
【单选题】作物栽培施肥很重要,若氮肥施用过多,不会使小麦发生什么情况。( )