锂的有效治疗血药浓度范围
A.50~200μg/LB.0.6~1.2μg/LC.0.8~1.4μg/LD.0.5~1.0μg/LE.100~200mg/L
参考答案:C
The author quite possibly believes that the function of the wholesaler is ______.
A.good but too costly
B.necessary but harmful
C.removable but necessary
D.acceptable but unnecessary
对于老黄土地基可按土的()确定容评承载力。
A、压缩模量
B、天然含水量W和液限WL的比值
C、天然孔隙比e和含水比W/WL