【简答题】在数控车床上加工如图所示零件,已知该零件的毛坯为Φ85mm×45mm的棒料,材料为45钢,试编制其数控车削加工工艺。
【多选题】关于患者的心理下列正确的是()
B.
进入患者角色后,最常见、最突出的心理变化是情绪变化
【单选题】根据马斯洛需要层次理论,下列哪些不属于人类需要层次( )
【简答题】Kissing, stroking and wild embraces are common enough, and now the quiet, romantic gesture of holding hands in public is a【M1】______ final frontier for many young couples in the West—even though, trad...
【简答题】Living an Adventurous Life Nearly ten years ago, I was told that I had a brain tumor (瘤), and this experience changed my attitude about adventure forever.I thought that I was going to die and that all...
【单选题】下列说法是否正确? ( 1 )由于 Ψ θ (Fe 2+ /Fe) = -0.44 V , Ψ θ (Fe 3+ /Fe 2+ ) = 0.770 V ,故 Fe 3+ 与 Fe 2+ 能发生氧化还原反应; ( 2 )因为电极反应 Ni 2+ + 2e - = Ni 的 Ψ θ 1 = -0.257 V ,故 2Ni 2+ + 4e - = 2Ni 的 Ψ θ 2 = 2Ψ θ 1 ; ( 3 ...
A.
( 1 )( 3 )不正确;( 2 )( 4 )正确
B.
( 2 )( 3 )不正确;( 1 )( 4 )正确
C.
( 1 )( 2 )( 3 )不正确;( 4 )正确
D.
( 1 )( 2 )不正确;( 3 )( 4 )正确