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【简答题】
阅读下面的短文,判断的句子是否符合短文内容,符合的写'T',不符合的写'F',短文未涉及的写'N'。 Pablo Picasso was born in Spain in 1881. His father was an artist and also an art teacher. He gave little Picasso the first lesson in drawing. The boy showed great interest in it and learned it very quickly. Picasso drew so well that he won a prize — 'Science and Charity' for his first important painting at the age of 15. Later he studied in several cities in Spain. But no one could teach him because he had known so much. When he was 19, he visited Paris. At that time, Paris was the center of the world for artists. Everything in the painting world was new to Picasso. When he was 23, he moved to Paris to live and spent the rest of his life in France. In his 80s, Pablo Picasso still worked like a young man. He kept on looking for new ideas and new ways to work. He never stopped painting all his life. Pablo Picasso, one of the greatest artists in the world, died in 1973. (     )1. Pablo Picasso was born in Spain. (     )2. Pablo Picasso won a prize of  “Science and Art” at the age of 15. (     )3. Pablo Picasso was the only son of his parents. (     )4. Pablo Picasso lived in France for 91 years.
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【简答题】研磨块的使用限度(有效磨耗量):H达到 mm前更换A. 10
【判断题】在研磨场地可以进行冲床的正常使用,而不会影响研磨工作。()
A.
正确
B.
错误
【单选题】In Chapter 5, for a linear regression model: 【图片】, which assumption is not necessary for the consistency of the OLS estimator?
A.
is jointly stationary and ergodic.
B.
C.
has full rank and is finite.
D.
has full rank and is finite.
【单选题】1950年,世界贸易额为610亿美元,2013年世界贸易额达到34.67万亿美元。世界贸易的增长速度高于经济增长速度,成为推动世界经济增长的重要力量。这一案例体现了
A.
贸易全球化
B.
生产全球化
C.
资本全球化
D.
信息全球化
【单选题】For a linear regression model with i.i.d. sample: 【图片】, which assumption is not necessary for the consistency of the OLS estimator?
A.
is normally distributed
B.
C.
for all
D.
None of the above conditions
【单选题】For a linear regression model with i.i.d. sample: 【图片】, which assumption is not necessary for the consistency of the OLS estimator?
A.
B.
conditional homoskedasticity
C.
for all
D.
None of the above conditions
【简答题】[WJ-200-100] 通过集线器组成的以太网,它是一个物理上为( )而逻辑上为( )的以太网。
【单选题】CRH2A动车组的踏面清扫装置研磨块运用限度为()mm
A.
15
B.
14
C.
13
D.
12
【判断题】动车组研磨块磨耗限度为13mm。
A.
正确
B.
错误
【简答题】说明构成产品成本要素,以及降低产品成本途径。
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