【判断题】【消耗次数：1】
期权组合头寸的Delta值等于各个合约持仓的Delta值相加
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
以下关于Delta说法正确的是？
①
平值看涨期权的Delta一定为-0.5
②
相同条件下的看涨期权和看跌期权的Delta是相同的
③
如果你用Delta中性方法对冲现货，需要买入Delta份对应的期权
④
BSM框架下，无股息支付的欧式看涨期权的Delta等于N(d1)
随机题目
【单选题】
Which of the following is the advantage of whole class work?
①
It is an ideal way to show materials and do presentations together
②
It allows students to work together rather than under teacher’s guidance.
③
There is always a great chance of different opinions and contributions to the work
④
It is less stressful.
【单选题】
Which of the following is the time when students work in groups?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small group
④
When students are expected to work on their own at their own speed.
【单选题】
What role does a teacher play in the following activity? The teacher gives students 2 minutes to skim a text, and when time is up, he asks students to stop and answer some questions.
①
Controller
②
Assessor
③
Organizer
④
Prompter
【单选题】
What are the possible roles of a teacher?
①
Controller, assessor
②
Organizer, prompter
③
Participant, resource-provider
④
All of the above.
【单选题】
Which of the following is the time when students study by themselves?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small groups
④
When students are expected to work on their own at their own speed.
【单选题】
What role does a teacher play in the following activity? When a student has made a sentence with borrow, “I borrowed a paper to write a letter”, the teacher says, “Well, we don’t say a paper, we say a piece of paper.”
①
Controller
②
Assessor
③
Organizer
④
Prompter.
【单选题】
Why do novice teacher often have problems giving clear instructions?
①
Their language proficiency is low
②
They are fresh from the university
③
Their instructions are too short
④
They are not able to target their instructions to the level of the learners.
【单选题】
When is appropriate for the teacher to give classroom instructions to students?
①
Give directions to tasks or activities, checking comprehension, giving feedback
②
Providing explanations to a concept or language structure, drawing attention
③
Setting requirements, checking comprehension, assigning homework
④
All of the above.
【单选题】
What are not good rules to follow for making instructions effective?
①
Use simple instructions and make them suit the comprehension level of the students
②
Use the mother tongue only when it is necessary
③
Use body language to assist understanding
④
Not model the task or activity before letting students move into groups or pairs .
【单选题】
What role does a teacher play in the following activity? When the students have in groups decided where to go for a spring outing, the teacher asks each group to tell the others why they have made such a choice.
①
Controller
②
Assessor
③
Organizer
④
Prompter.