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【简答题】
请填空，不修改其他代码，实现以下功能：使用turtle库的turtle.fd()函数和turtle.seth()函数绘制一个边长为200、画笔为2号的正五边形，正五边形5个内角度数均为108，效果如图所示，箭头与下图严格一致。【图片】import turtlr as tt.pensize(2)d= for i in range(5):t.seth(d)d+= t.fd(200)(两条横线的数字相同，请填空)
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【单选题】对于待定的投资方案,若基准收益率增大,则投资方案评价指标的变化规律是()
A.
财务净现值与内部收益率均减小
B.
财务净现值与内部收益率均增大
C.
财务净现值减小，内部收益率均不变
D.
财务净现值增大, 内部收益率均减小
【简答题】EPLAN的宏主要有三种,即( )宏、( )宏和( )宏。
【单选题】对于待定的投资方案，若基准收益率增大，则投资方案评价指标的变化规律是( )。
A.
财务净现值与内部收益率均减小
B.
财务净现值与内部收益率均增大
C.
财务净现值减小，内部收益率不变
D.
财务净现值增大，内部收益率减小
【多选题】________ Although most of my friends play video games,2.________ Despite the fact that his father is a coach,3.________ Even though schools have a lot to cover in classes,4.________ While competitive ...
A.
parents sign their children up for many activities.
B.
she's not interested in team sports.
C.
Hugo never learned to play tennis.
D.
the practices and games can be stressful.
E.
I almost never play them.
F.
schools are not encouraging enough exercise.
G.
he has a terrible attitude.
H.
they should still allow children time to play.
【简答题】根据句意及汉语提示完成句子。 1. In fact, most ______ (中等的) schools are in towns. 2. Tom is _____ (在场的), he is not (缺席). 3. I'll make a _____ (演讲) tomorrow. 4. The plane landed _____ (安全地) at the airport. 5. _____ ...
【单选题】对于待定的投资方案，若基准收益率增大，则投资方案评价指标的变化规律是( )。
A.
净现值与内部收益率均减小
B.
净现值与内部收益率均增大
C.
净现值减小，内部收益率不变
D.
净现值增大，内部收益率减小
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