历史8下期末考试试卷及答案

发布于:2022/7/13 23:02:21   所属分类:中考备战学习资料库


历史8下期末考试试卷及答案


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长按识别ErWeiMa
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复制您的试题“题目”,发送给“众课帮”gongzhong号即可。

简单方便,答案基本都是秒回的噢!

如遇查询人数较多,最多延迟1-3秒,望理解。

搜题找答案教程很简单,一图秒懂:


以下分享历年公开题目及答案
供你模拟练习训练;
如需搜题或练题:
请“众课帮”gongzhong号开始吧!

1、Freestyle is also known as_______.
Freecrawl
Crawlforward
Freethrow
Frontcrawl
答案:Frontcrawl
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2、已知z变换,收敛域,则原函数为( )
A、
B、
C、
D、
答案:C
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3、The 2022 Winter Olympics, officially known as the ______ Olympic Winter Games.
A、21th
B、22th
C、23th
D、24th
答案:错
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4、Which is not the official court for 4 major events.
Carpetcourt
Hardcourt
Grasscourt
Claycourt
答案:Carpetcourt
--------------------------------

5、1. 序列x(n)=3d(n-1)+u(n) 的z变换X(z)=( ________ )。
答案:1.()。
--------------------------------

6、蛙泳:_________
答案:正确
--------------------------------

7、M7120平面磨床控制线路图如图下图所示,分析砂轮机不能正常下降,可能包括的故障代号范围是哪种。
A:13,14,23
B:13,15,25
C:13,15,22
D:13,16,25
答案:13,14,23
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8、,若,,。则下列描述正确的是( )。 ① 的虚部 ②的圆周共轭反对称分量 ③ 的负实部 ④的圆周共轭对称分量
A、A
B、A
C、A
D、A
答案:正确
--------------------------------

9、Which of the following statement is a red herring fallacy?
A、He did steal the diamond ring, but think of his mother! The poor old lady is suffering cancer now.
B、All my friends are on a low carbohydrate diet. That must be the best way to lose weight.
C、He is a vegetarian. Therefore, his parents must be vegetarians too.
D、All people in that organization are liars.
答案:He did steal the diamond ring, but think of his mother! The poor old lady is suffering cancer now.
--------------------------------

10、The Paralympic originally started in _______.
UK
USA
Europe
Asia
答案:UK
--------------------------------

11、贝多芬第九交响曲中借用了德国诗人席勒的_______诗歌。
答案:欢乐颂
--------------------------------

12、若是一个有限长序列,则它的频谱函数是( )。 ① 连续非周期的 ② 连续周期的 ③ 离散非周期的 ④ 离散周期的
A、A
B、A
C、A
D、A
答案:连续周期的
--------------------------------

13、The governing body for Taekwondo in the Olympics and Paralympics is______________.
ITF
ITTF
FINA
WT
答案:WT
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14、若某连续函数的拉氏变换,,则该函数的傅里叶变换为( )
A、
B、
C、
D、傅里叶变换不存在
答案:http://nos.netease.com/edu-image/41B06D5DAA6CED1F32CFE6FFDF181F1E.png?imageView&thumbnail=520x520&quality=100
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15、Two types of holding the racket.
Shakehandgrip;wavinggrip
Shakehandgrip;forkinggrip
Penholdgrip;shakehandgrip
Penholdgrip;wavinggrip
答案:Penholdgrip;shakehandgrip
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