A.2.00m
B.1.50m
C.1.00m
D.0.50m
[单选题]A.4.59375B.-20.59375C.-4.59375D.20.59375
[单选题]A.4.59375B.-20.59375C.-4.59375D.20.59375
[单选题]A.4.59375B.-20.59375C.-4.59375D.20.59375
[单选题]A.4.59375B.-20.59375C.-4.59375D.20.59375
[单选题]A.33B.72C.84D.128E.189
[单选题]A.条件(1)充分,但条件(2)不充分。B.条件(2)充分,但条件(1)不充分。C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起
[单选题]A.条件(1)充分,但条件(2)不充分。B.条件(2)充分,但条件(1)不充分。C.条件(1)和条件(2)单独都不充分,但条件(1)和条件(2)联合起
[单选题]A.33B.72C.84D.128E.189
[单选题]A.114.3%B.116.7%C.112.5%D.122.2%
[多选题]A.腐蚀性B.可燃性C.毒性D.惰性