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【单选题】
已知向量 a =（1，1，0）， b =（2，k，0），若 a ⊥ b ，则k=（ ）A.
0
B.
1
C.
2
D.
-2
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】Which one can be used to overcome stereotyping?
A.
to get in touch with people from various cultures
B.
to find sufficient evidence for what you hear
C.
to trust yourself that you have no stereotypes of others
D.
to describe an individual's behaviors instead of generalizing traits over the whole community
【简答题】are central to human thought, emotions and behaviors which can be used by people to study culture.
【多选题】Which of the following behaviors are proper at workplace?
A.
If you are in charge, try your best not to let the meetings run long.
B.
When you are working on an important project, you’d better go to work even if you have a cold.
C.
When you are talking to people sitting next to you in an open office, your conversation can last as long as you want only if you are discussing on work and keep a reasonable volume.
D.
If you must interrupt a colleague’s work, keep the interruption to a necessary minimum.
【多选题】Which statements can be used to describe authentic assessment?
A.
Identify and direct steps to meet the needs of students.
B.
Provide reliable information
C.
Notice significant behaviors.
D.
an integral part of teaching
E.
Real acts of reading and writing.
【单选题】_______ is defined as those behaviors that contribute to the organization’s effectiveness by providing a good environment in which task performance can occur.
A.
Results
B.
Contextual performance
C.
Declarative knowledge
D.
Procedural knowledge
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