以髋臼上缘最高点作平行线与髋臼外缘垂直线交点代表哪组淋巴结?()
A.闭孔
B.髂内
C.髂外
D.腹股沟
参考答案:A
30、测定某药物的比旋度时,配制药物浓度为10.0mg/ml的溶液,使用1dm长的测定
管,依法测得旋光度为-1.75°剜比旋度为
A.-1.750°
B.-17.5°
C.-175°
D.-1750°
E.-17 500°
I’m sure he will finish the report .
A.after two hours
B.in two hours time
C.within two hours
D.two-hour later