皮皮学，免费搜题
登录
搜题
【单选题】
设 b 是 a 的相反向量,则下列说法错误的是 ( )A.
a 与 b 的长度必相等
B.
a ∥ b
C.
a 与 b 一定不共线
D.
a 是 b 的相反向量
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】83 Project managers need exceptionally good communication and negotiation skills primarily because:
A.
They may be leading a team over which they have no direct control
B.
Procurement activities mandate this
C.
They are expected to be technical experts
D.
They must provide executive/customer/sponsor briefings
E.
All of the above
【简答题】A．Employees would perform. the best if they have good communication with employers. B．Career success depends on how an employee develops his job skills. C．Companies hold social s only to help emp...
【单选题】165 Project managers need exceptionally good communication and negotiation skills primarily because:
A.
They may be leading a team over which they have no direct control
B.
Procurement activities mandate this
C.
They are expected to be technical experts
D.
They must provide executive/customer/sponsor briefings
E.
All of the above
【单选题】Project managers need exceptionally good communication and negotiation skills primarily because:
A.
. They may be leading a team over which they have no direct control
B.
. Procurement activities mandate this
C.
. They are expected to be technical experts
D.
. They must provide executive/customer/sponsor briefings
E.
. All of the above
【多选题】Some say a good relationship starts with good communication. What can we do to strengthen communication with our parents?
A.
Visit them whenever possible.
B.
Teach them to use new communication tools, such as WeChat and Skype so that they can communicate with us wherever we are.
C.
Try to look at things in their perspectives.
D.
Share with them our feelings, problems or ambitions.
【简答题】人体内维生素D的活性形式是
【简答题】Having good communication skills is really important in every walk of life. The right method of communication is therefore very important in whatever you do. Here are some effective ways to improve co...
相关题目：