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【单选题】
下列关于内部报酬率的表述,不正确的为( )。A.
使投资项目的净现值为0时的折现率
B.
如果投资项目的净现值大于0,则内部报酬率要大于预设的折现率
C.
内部报酬率一般需采用内插法计算
D.
无论原始投资是否相同，都选择内含报酬率较大者
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举一反三
【单选题】如下图为一加热炉的温度控制器,原料油在炉中被加热。若原料油不允许过热,关于调节阀应选用气开型还是气关型?控制器应选择正作用的还是反作用的?下面哪种组合是正确的?
A.
调节阀选用气开型、控制器选为反作用
B.
调节阀选用气开型、控制器选为正作用
C.
调节阀选用气关型、控制器选为反作用
D.
调节阀选用气关型、控制器选为正作用
【单选题】Nick encouraged his audience to see obstacles as opportunities to grow and reach out to others .
A.
True
B.
False
C.
Not Given
【多选题】What does Nick share with people?
A.
The importance of vision and dreaming big
B.
His view of ceasing to see obstacles as problems
C.
His view of seeing obstacles as opportunities to grow
D.
The importance of attitude and the choice on our lives
【简答题】Nick encouraged his audience to see obstacles as opportunities to grow and reach out to others.A. True B False C Not Given
【简答题】As Nick _____ (grow) up, he learned to deal with his disability.
【多选题】在管式加热炉前馈-串级控制系统中:
A.
被调量是加热炉出口温度
B.
被调量是燃料油的流量
C.
被加热原料油的流量是主要干扰，对其采用前馈控制器进行及时调节
D.
当对原料油的流量波动采用前馈进行补偿时，燃料油的流量则为控制量
【简答题】密切联系群众的一个重要方面,就是大兴( )之风。
【简答题】Listen and match. 把对应的名字填入图片下的括号内。 ( ) ( ) ( ) ( ) ( ) LiYing Mum Jack ...
【简答题】根据图片和对话内容，选择适当的选项， 将代号填在横线上。 A. Has Helen Green got a daughter? B. They are Jim's parents. C. Has Jeff Green got a son? D. There are four. E. She is Jim's sister. Daming: How many people are there in ...
【单选题】Nick encouraged his audience to see obstacles as opportunities to grow and reach out to others.
A.
True
B.
False
C.
Not given
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