A.4~5s
B.4~5min
C.4~5h
D.4~5d
E.4~5个月
[单选题]胰岛素在体内的生物半衰期为A.5~10 sB.5~10 minC.5~10 hD.5~10 dE.5~10个月
[单选题]胰岛素在体内的生物半寿期是A.5~10sB.5~10minC.5~10hD.5~10天E.5~10个月
[主观题]在0、-4、3、-3、1/5、-5、4、-10中,______是方程x+4=0的解;______是不等式x+4≥0的解;______是不等式x+4<0的解。)比较a与2a的大小。
[单选题]:9,-4,7,4,5,-4,3,4,1,-4,( ),( )。A.0,4B.-1,4C.-1,-4D.1.4
[单选题]9,-4,7,4,5,-4,3,4,1,-4,( ),( )。A.0,4B.-1,4C.-1,-4D.1.4
[单选题]In a 5-year period, the annual returns on an investment are 5%, -3%, -4%,2%
[主观题]计算下面各题。3/4+5/6=2/3-1/4=4/5+11/15+3/10=7-5/7=1/2+2/3=6-(3/4-2/5)=
[单选题]可能出现畸形中央尖的牙齿是A.4AB.5BC.5CD.6DE.4D
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--
[问答题]设向量组α1=(1,2,3,4),α2=(2,3,4,5,),α3=(3,4,5,6),α4=(4,5,6,7),则秩(α1,α2,α3,α4)=--