A.27
B.38
C.60
D.124
[单选题]675,225,90,45,30,30,( )。A.27B.38C.60D.124
[单选题]675,225,90,45,30,30,( )。A.27B.38C.60D.124
[单选题]675,225,90,45,30,30,( )A.27B.38C.60D.124
[单选题]675,225,90,45,30,30,( )。A.27B.38C.60D.124
[单选题]675,225,90,45,30,30,( )。A.27B.38C.60D.124
[单选题]675 225 90 45 30 30 ( )A.27 B、38 C、60 D、124
[单选题]岩层产状为45°∠30°,在45°—225°的方向剖面图中该岩层的倾角()。A .大于30°B .等于30°C .小于30°D .等于0°
[单选题]9,30,69,132,225,()A . 354B . 387C . 456D . 540
[单选题]sin45ocos45o+sin30o+sin75otg120ocos90o的结果为:()。A . 1/2B . (21/2)/2C . 1D . (31/2)/2
[单选题]A.30-45mmHg B、30-55mmHg C、35-45mmHg D、80-100mmHg E、85-100mmHgPaCO<SUB>2</SUB>正常值( )A.B.C.D.E.