巴比妥类药物的共同反应是
A.与铜吡啶试液的反应B.勺三氯化铁的反应C.与亚硝酸钠-硫酸的反应D.与甲醛-硫酸的反应E.与碘试液的加成反应
参考答案:A
Much to our delight, John was finally _____ to join in our adventurous travel to the South Pole.[ ]
A. advised
B. agreed
C. admitted
D. persuaded
公安机关只是我国国家的治安行政力量。( )