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[单选题]

s=0 for i in range（1,5): m=1 for j in range（1,i+1): m=m*j s=s+m print（s) 程序运行结果是：（）

A.15

B.24

C.33

D.120

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发布时间：2022-06-12

更多“s=0 for i in range（1,5): m=1 for j in range（1,i+1): m=m*j s=s+m print（s) 程序运行结果是：（）”相关的问题

第1题

执行以下程序s=0 for i in range（1,5,-1): s+=i print（s)，输出结果为（）

A.0

B.10

C.15

D.1

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第2题

在SIR模型中设定不同的参数λ，μ和初始值s(0)，i(0)，编程计算s(t)和i(t)并作图。需包含σs(0)＞1及σs(0)＜1的设定，分析这两种情况下患者比例i(t)的不同变化。

在SIR模型中设定不同的参数λ，μ和初始值s（0)，i（0)，编程计算s（t)和i（t)并作图。需包含σs（0)＞1及σs（0)＜1的设定，分析这两种情况下患者比例i（t)的不同变化。

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第3题

1 0 ．硬盘带引导型病毒，当用硬盘启动系统时，W i n d o w s 一定可以正确启动，而不受病毒的危害。

()

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第4题

如图4-42所示电路(1)若初始无储能,信号源为i(t),为求i1(t)(零状态响应),列写转移函数H{s);(2)

如图4-42所示电路（1)若初始无储能,信号源为i（t),为求i1（t)（零状态响应),列写转移函数H{s);（2)

如图4-42所示电路

(1)若初始无储能,信号源为i(t),为求i1(t)(零状态响应),列写转移函数H{s);

(2)若初始状态以i₁(0),v₂(0)表示(都不等于零),但i(t)=0(开路).求i₁(t)(零输入响应).

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第5题

假设以下程序的功能是：删除列表lst所有值为2的元素，则程序空白处应该填写（）（注意：填写时不要添

加多余的空格，且标点符号均必须为英文字符）。 lst=[1,2,3,2,2,4,2,5] n=lst.（） for i in range(0,n): lst.remove(2) print(lst)

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第6题

2 ． W i n d o w s 基本操作题（共5 小题，每小题l 分，共5 分。) （1 ) 在E 盘的T R Y Y 文件夹中

2 ． W i n d o w s 基本操作题(共5 小题，每小题l 分，共5 分。)

(1 ) 在E 盘的T R Y Y 文件夹中新建一个文件夹，名为H A N l 2 3 。

(2 ) 将E 盘的Y Y 文件夹中的所有文件移到H A N l 2 3 中。．

(3 ) 彻底删除文件夹Y Y ，将文件夹T R Y Y 中文件H A P P Y ．e x e 的属性设置为只读。

(4 ) 在E 盘中查找R A D l 0 ．x l s 文件。

(5 ) 将R A D l 0 ．x l s 复制到H A N l 2 3 中。

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第7题

Part I Reading ComprehensionI have learned something about myself since I moved from Lon

Part I Reading Comprehension

I have learned something about myself since I moved from Long Island to Florida three years ago. Even though I own a home in Port St. Lucie just minutes from the ocean, an uncontrollable urge wells up to return to Long Island even as others make their way south. I guess I am a snowbird stuck in reverse. Instead of enjoying Florida’s mild winters, I willingly endure the severe weather on Long Island, the place I called home for 65 years.

I’m like a migratory bird that has lost its sense of timing and direction, my wings flapping against season.

So what makes me fly against the tide of snowbirds？ The answer has a lot to do with my reluctance to give up the things that define who I am. Once I hear that the temperature on Long Island has dipped into the range of 40 to 50 degrees, I begin to long for the sight and crackling sound of a wood fire. I also long for the bright display o￡ colors — first in the fall trees, and then in the limits around homes and at Rockefeller Center. Floridians decorate too, but can’t create the special feel of a New England winter.

I suppose the biggest reason why I return is to celebrate the holidays with people I haven’t seen in months. What could be better than sitting with family and friends for a Thanksgiving turkey dinner, or watching neighbors’ children excitedly open gifts on Christmas？ Even the first snowfall seems special. I especially enjoy seeing a bright red bird settling on a snow-covered branch (My wife and I spend winters at a retirement community in Ridge, and I’m grateful that I don’t have to shovel.)

While these simple pleasures are not unique to Long Island, they are some of the reasons why I come back. Who says you can’t go home？

(1) What does the underlined word "snowbird" in Paragraph 1 refer to？()

A、A person spending winter in a warmer climate

B、A bird seen chiefly in winter

C、A person permanently living in a foreign country

D、A bird flying to the south in winter

(2)What’s the difference between Florida and Long Island？()

A、Winters in Long Island are milder

B、The snowbirds in Long Island are rarer

C、Weather in Long Island is severer

D、Long Island is nearer to the ocean

(3)What did the author miss most when he was in Florida？()