A.Ⅰ、Ⅲ
B.Ⅱ、Ⅲ
C.Ⅰ、Ⅳ
D.Ⅱ、Ⅳ
[单选题]A.AB.BC.CD.D
[单选题]A.AB.BC.CD.D
[单选题]A.AB.BC.CD.D
[单选题]A.AB.BC.CD.D
[单选题]A.AB.BC.CD.D
[单选题]A.变化-90°B.不变C.变化180°D.变化+90°
[单选题]A.1HB.1.5HC.2HD.3H
[单选题]A.AB.BC.CD.D
[单选题]A.1HB.1.5HC.2HD.3H
[单选题]A.变化-90°B.不变C.变化180°D.变化+90°
[单选题]A.0.18B.0.2C.0.22D.0.24