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【简答题】
阅读短文,回答问题。 Sam likes eating fish very much. He often buys fish in the shop and takes them home. One day his wife sees the fish and thinks, 'Good! Now, I can ask my friends to have lunch and we can eat the fish. They like fish very much. ' When Sam comes home from work in the evening, the fish is not there and his wife says, 'Oh, your cat eats it. 'And then she gives him some bread for his supper. Sam is angry (生气). He takes the cat and his wife to a shop near his house and weighs (称) the cat. Then he turns to his wife and says, 'My fish weighs one kilo. The cat weighs one kilo, too. My cat is here, you see, then, where is my fish? ' 1. What does Sam like eating very much? _______________________________. 2. Who eat the fish that day? _______________________________. 3. How much does the fish weigh? _______________________________. 4. What does Sam's wife give him for supper? _______________________________. 5. Can you guess if (是否)Sam knows where the fish is? _______________________________.
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【单选题】加工长轴端孔时,一端用卡盘夹得较长,另一端用中心架装夹时,限制了( )个自由度。
A.
3
B.
4
C.
5
D.
6
【单选题】计算机中常用一种检错码是CRC,即(9)码。在进行编码过程中要使用(10)运算。假设使用的生成多项式是C(x)=x5+x4+x+1。原始报文为11001010101,则编码后的报文为(11)。CRC码(12)的说法是正确的。在无线电通信中采用?中取3定比码,它规定码字K为7位,并且其中总有且仅有3个“1”。则编码效率为(13)。
A.
水平垂直奇偶校检
B.
循环求和
C.
循环冗余
D.
正比率
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A.
(5,-1)
B.
(5,-2)
C.
(5,-3)
D.
(5,-4)
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A.
3
B.
4
C.
5
D.
6
【判断题】我国在加入《纽约公约》时作了两项保留,即“互惠保留”和“商事保留”;所谓“互惠保留”,是指只承认和执行在缔约国领土内作出的仲裁裁决;所谓“商事保留”,是指只承认和执行商事的仲裁裁决。()
A.
正确
B.
错误
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防御阶段
B.
相持阶段
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决战阶段
D.
反攻阶段
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A.
MODIFY STRUCTURE
B.
DELETE
C.
REPLACE
D.
ZAP
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