【单选题】Which statement regaming high availabily in the Cisco UCS is correct?()
A.
A node is one of the two(2)CMCs
B.
A node is one of the two(2)Fabric Interconnects
C.
A group is a set off our(4)nodes
D.
Each group is identified by a floating node ID
【单选题】原油按其含硫量分类,当含硫量为0.5%~2.0%时,该原油属于()。
【简答题】张宏购买衣服反馈尺码不符,申请退款;商家拒绝张宏退货申请,以下选项中,商家拒绝合理的有哪些? A.因张宏未提供有效的尺码不符图片,故拒绝张宏维权申请 B.商家反馈张宏已经洗过影响二次销售;故拒绝张宏维权申请 C.商家反馈张宏已经剪掉吊牌影响二次销售;故拒绝张宏维权申请
【简答题】张宏反馈未收到货,核实物流显示已经签收,以下哪些凭证可以作为张宏收到商品的有效证明? A.有本人签字的签收底单 B.张宏授权他人签收的物流证明 C.张宏承认收到商品的阿里旺旺聊天记录截图
【单选题】如图所示的几个运动过程中,物体的弹性势能增加的是( )
A.
如图(甲),撑杆跳高的运动员上升过程中,杆的弹性势能
B.
如图(乙),人拉长弹簧过程中,弹簧的弹性势能
C.
如图(丙),模型飞机用橡皮筋发射出去的过程中,橡皮筋的弹性势能
D.
如图(丁),小球被弹簧向上弹起的过程中,弹簧的弹性势能
【单选题】Which statement of the following is NOT true?
A.
Engines of high-pressure were not known at Evans' times.
B.
Evans taught himself about steam engines.
C.
The low-pressure engine was expensive and complicated.
D.
The high-pressure engine was far lighter.
【单选题】原油按其含硫量分类,当含硫量( )时属于高硫原油。
【多选题】摩擦片式离合器按按操纵方式不同可分为( )