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【简答题】
阅读理解。 I believe that my country, Poland, is a perfect example for a place where food is particularly important. When we were little children, we began to understand how much a loaf of bread meant to our parents-to some it might sound silly but for me the custom of kissing bread before you started cutting it was simply amazing. It's not so common nowadays to treat food that way, since you hardly ever bake your own bread. Besides, everyone would call you crazy if you tried to kiss every bread roll before you ate them! But though we no longer make our food from scratch (起点), some customs have been kept--that's why I feel so sorry every time I have to throw any food away-even though I no longer live with my parents and nobody would blame me for this anymore! Many people of our nation are still working as farmers, eating what they grow and harvest and therefore enjoying everything more. It's widely known that you value more anything that needs your effort in the first place. In most homes in Poland, especially those of farmers, the whole family would try and have their meals together--extremely difficult now, but so rewarding (值得)! You can share other members' troubles and successes, give your children some attention, or just sit down for a moment instead of rushing through life aimlessly. Furthermore, your body, and stomach in particular will be very grateful (感激) for such a time! In Poland, a wedding, Christmas or even a birthday is celebrated with a great meal. Women in the house get together and cook, sometimes for a few days before the event, and the extremely good or unusual food will be remembered and widely talked about. You cannot over-value the importance of food in the country. What's more, almost everyone in Poland will be as interested in the topic as I am. 1. When the writer was a child, he / she ______. A. found people were crazy about bread B. began to realize the importance of food C. thought that cutting bread was amazing D. learned people hardly baked their own bread 2. The writer feels very sorry when he/she has to throw away any food because ______. A. he/she makes food from scratch B. his/her parents would blame him/her C. some customs still have effect on him/her D. many people are still working hard as farmers 3. From the text, we can learn that, in Poland, ______. A. most meals can be interesting topics for a long time B. the whole family often have meals together nowadays C. it's common for women to get together to cook for a few days D. family members can know more about each other by having meals together
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【单选题】关于多子图绘制命令subplot(m,n,p),以下说法正确的是
A.
将图形窗分为 m 个子窗口,在第 n 行、第 p 列的 子窗口中绘制图形。
B.
将图形窗分为 p 个子窗口,在第 m 行、第 n 列的 子窗口中绘制图形。
C.
将图形窗分为 m 行 、 n 列个子窗口 ,在第 p 个 子窗口中绘制图形。子图的编号顺序为从上到下,从左到右。
D.
将图形窗分为 m 行 、 n 列个子窗口 ,在第 p 个 子窗口中绘制图形。子图的编号顺序为从左到右,从上到下。
【多选题】下列有关绘制圆、圆弧、正多边形的命令说法正确的是()
A.
精确绘制圆时可如下操作:指定圆心——指定半径——回车——指定段数s——回车
B.
精确绘制圆时可如下操作:指定圆心——指定段数s——回车——指定半径——回车
C.
绘制好指定好的圆之后,可以将圆的边线的图元信息中段数改变为指定的段数值
D.
可以认同绘制多边形=绘制圆
E.
绘制正多边形只能绘制正3边形——正256边形,
【多选题】下列有关绘制圆、圆弧、正多边形的命令说法正确的是()
A.
精确绘制圆时可如下操作:指定圆心——指定半径——回车——指定段数s——回车
B.
精确绘制圆时可如下操作:指定圆心——指定段数s——回车——指定半径——回车
C.
绘制好指定好的圆之后,可以将圆的边线的图元信息中段数改变为指定的段数值
D.
可以认同绘制多边形=绘制圆
E.
绘制正多边形只能绘制正3边形——正256边形,
【简答题】[填空1] 是信息论中用于度量信息量的一个概念。 提示:4.1 信息论基础
【简答题】国标规定的形位公差项目共有( )种。平面度公差符号是( )。
【简答题】右图表示反射弧的模式图,请据图回答: (1) 神经调节的基本方式是 _______ 。反射弧是由感受器、传入神经、 [ 3 ] 、传出神经和效应器组成的。 (2) 神经纤维在未受刺激时,细胞膜两侧的电位表现为 。当神经纤维的某处受刺激产生兴奋时,则表现为, 因而与邻近未兴奋部位间形成了 ,使兴奋依次向前传导。 (3) 在一个以肌肉为效应器的反射弧中,如果传入神经纤维 [ 2 ] 受到损伤,而其他部...
【单选题】在AutoCAD中,'圆弧”命令用于绘制弧形轮廓线。下列执行'圆弧”命令的方法不正确的是( )。
A.
单击'绘图”工具栏中的'圆弧”命令
B.
选择'绘图”菜单-'圆弧”命令
C.
在命令行中输人'OPEN”或接下'Ctrl十0”
D.
在命令行中输入'ARC”或快捷命令'A”,回车
【单选题】使用“绘制新函数”命令画函数图像时,下列说法正确的是( )
A.
该命令不能画极坐标方程的图像;
B.
该命令不能画参数方程的图像;
C.
解析式中可以带参数;
D.
解析式中不能带参数。
【单选题】关于多子图绘制命令 subplot(m,n,p) ,以下说法正确的是
A.
将图形窗分为 m 行、 n 列个子窗口,在第 p 个子窗口中绘制图形。子图的编号顺序为从上到下,从左到右。
B.
将图形窗分为 m 行、 n 列个子窗口,在第 p 个子窗口中绘制图形。子图的编号顺序为从左到右,从上到下。
C.
将图形窗分为 m 个子窗口,在第 n 行、第 p 列的子窗口中绘制图形。
D.
将图形窗分为 p 个子窗口,在第 m 行、第 n 列的子窗口中绘制图形
【单选题】右图中 1 、 2 、 3 处对应的神经元结构分别为( )。
A.
轴突、胞体、轴突
B.
树突、胞体、轴突
C.
髓鞘、轴突、树突
D.
胞体、髓鞘、树突
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