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An old man died and left his son a lot of money. But the son was a foolish( 愚蠢的 ) young man, and he quickly spent all the money, so that soon he had nothing left . Of c ourse, when that happened, all his f r i ends left him. When he was quite poor and alone, he went to see Nasreddin, who was a kind, c l ever old man and often helped people when they had troubles. “ I h a ve run out of ( 花光 )money and my friends have gone, "said the young man. " what will happen to me next?” “Don't worry, young man,” answered Naserddin, " Everything will soon be all right again. Wait, and you will soon feel m uch happier, The young men was very glad, “Am I going to become rich again then?" He as ked Nasreddin.” No, I didn’t mean that”. said the old man. "I meant that you would soon get used to ( 习惯 )being poor and to having no friends. ”
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举一反三
【判断题】焦距变化最重要的判断标准是空间透视效果的变化。
A.
正确
B.
错误
【判断题】汉语是汉藏语系。一般认为汉藏语系包括侗台、苗瑶和藏缅三个语族。
A.
正确
B.
错误
【单选题】客房的清洁( )要求客房的水具和卫生间的消毒标准、空气质量标准、噪声标准作为衡量指标。
A.
感官标准
B.
感觉标准
C.
生化标准
D.
生物标准
【简答题】标准化体系的空间结构是什么?
【简答题】简述标准“三维空间”和标准化的意义。
【简答题】轮系中,已知各齿轮的齿数 Z 1 =20, Z 2 =40, Z' 2 =15, Z 3 =60, Z' 3 =18, Z 4 =18, Z 7 =20, 齿轮 7 的模数 m=3mm, 蜗杆头数为 1 (左旋),蜗轮齿数 Z 6 =40 。齿轮 1 为主动轮,转向如图所示,转速 n 1 =100r/min ,试求齿条 8 的速度和移动方向。
【简答题】我国快递公司的业务按照其快递物品可大致分为三类:()、()和()。
【判断题】空间数据元数据标准的建立是空间数据标准化的前提和保证,只有建立起规范的空间数据元数据才能有效利用空间数据。
A.
正确
B.
错误
【简答题】如图所示定轴轮系中,已知已知n 1 =720r/min,各齿轮的齿数分别为Z 1 =20、Z 2 =30、Z 3 =15、Z 4 =45、Z 5 =15、Z 6 =30,蜗杆Z 7 =2,蜗轮Z 8 =50。求(1)该轮系的传动比i 18 。(2)蜗轮转速n 8 。(3)用箭头在图中标出各齿轮的回转方向。
【简答题】汉藏语系一般认为包括____、____、_____、_____。
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