6÷15=25=20:50=40%=0.4;
故答案为:6、50、40、0.4.
—Where is Maria?
— I saw her ______basketball just now.
A.played
B.to play
C.playing
D.plays
大剂量乙酰水杨酸可用于治疗
A.感冒发热
B.预防脑血栓形成
C.慢性钝痛
D.风湿性关节炎
E.预防心肌梗塞