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【单选题】
以下程序的输出是什么,为什么? ChengDu_Population=100 city_list=[101,ChengDu_Population,100.49, 80+4/5] city_list=sorted(city_list) print(city_list)
A.
[ 80.8, 100,100.49,101] 包含整型和浮点型元素的列表进行排序时,按数学中的比较方法进行排序,小的排在前面
B.
[101, 100.49, 100, 80.8] 包含整型和浮点型元素的列表进行排序时,先将浮点型四舍五入为整型,再按数学中的比较方法进行排序,大的排在前面
C.
[101, 100, 100.49, 80.8] 包含整型和浮点型元素的列表进行排序时,随机排序
D.
错误 因为列表当中元素既有浮点型,又有整型时,无法排序
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举一反三
【单选题】朴素唯物主义自然观的思想渊源是
A.
传统习俗
B.
科学知识
C.
自然哲学
D.
原始宗教神话自然观
【单选题】According to Paragraph 3, Mike Douglas
A.
treated guests with great passion.
B.
satisfied the guests' requirements.
C.
highly valued different opinions.
D.
shared appealing experience of his own.
【单选题】According to the passage, what is NOT true about guests with reservations?
A.
They fill out a registration form.
B.
They state the number of guests.
C.
They receive a room key.
D.
They pay a damage deposit.
【单选题】An 800-N billboard worker stands on a 4.0-m scaffold supported by vertical ropes at each end. If the scaffold weighs 500 N and the worker stands 1.0 m from one end, what is the tension in the rope nea...
A.
450 N
B.
500 N
C.
800 N
D.
850 N
E.
950 N
F.
1050 N
G.
350 N
【简答题】According to the video, there are 3 types of guests. They are A. guests with a _____ B. _____ guests C. _____ guests with a tour leader
【单选题】将构造置信区间的步骤重复多次,其中包含总体参数真值的次数所占的比例为( )
A.
置信区间
B.
置信水平
C.
显著性水平
D.
临界值
【单选题】将构造置信区间的步骤重复多次,其中包含总体参数真值的次数所占的比例成为( )
A.
置信区间
B.
显著性水平
C.
置信水平
D.
临界值
【判断题】合同的变更、解除、终止或无效将直接导致仲裁协议效力的丧失( )
A.
正确
B.
错误
【单选题】将构造置信区间的步骤重复多次,其中包含总体参数真实值的次数所占的比例称为
A.
置信区间
B.
显著性水平
C.
置信水平
D.
临界值
【判断题】A tension is a force applied by a taut rope (or cord, or cable) pulling on an object, directed away from the object and along the rope.
A.
正确
B.
错误
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