在2HCHO+NaOH(浓)→HCOONa+CH3OH中,HCHO [ ]
A.仅被氧化了
B.仅被还原了
C.既未被氧化又未被还原
D.既被氧化又被还原
答案:D
—We won't have any classes this Friday afternoon.
—_______ Why not go hiking together? [ ]
A. So I will.
B. So will I.
C. Neither will I.
慢性肾炎治疗的目标是
A.消除蛋白尿
B.消除血尿
C.防止或延缓肾功能进行性减退
D.消除管型尿