试题与答案

表演权仅限于现场公开表演,不包括公开播送。

题型:判断题

题目:

表演权仅限于现场公开表演,不包括公开播送。

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B

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题型:完形填空
完形填空。

     Jack lived with his mother and they were very poor. One day he had to go to the market to   1   their
cow for some money. On the way, Jack met a man who gave him some magic beans(魔豆)for the 
  2  . His mother was very   3  and threw the beans out of the window. The next morning, a plant was
growing up into the sky. Jack   4   up into the clouds through the plant and saw a beautiful building. He
went   5  . Hearing a voice“Fee, Fi, Fo, Fum !”, Jack hid himself in a box. A giant(巨人) came into the
room and sat down. The giant brought out a hen (母鸡)  6   laid (下蛋) a  golden egg. After a while the
giant fell asleep. Jack jumped out of the   7  and took away the hen. But suddenly the giant woke up
and started to run   8   him. Jack climbed down the plant, and as the giant was doing that he cut   9  
down. The giant fell down on the   10  . Nobody ever saw him again. With the golden eggs, Jack and
his mother lived happily from then on.

( ) 1. A. buy    
( ) 2. A. boy    
( ) 3. A. happy  
( ) 4. A. climbed
( ) 5. A. outside
( ) 6. A. what    
( ) 7. A. box    
( ) 8. A. before  
( ) 9. A. them    
( ) 10. A. floor  

B. produce
B. cow    
B. hungry  
B. jumped  
B. inside  
B. that    
B. building
B. after  
B. him    
B. ground  

C. sell  
C. hen  
C. angry
C. looked
C. within
C. whom  
C. room  
C. into  
C. her  
C. air  

D. find  
D. egg    
D. sad    
D. flied  
D. abroad
D. it    
D. sky    
D. over  
D. it    
D. stairs

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题型:问答题

“用双氧水和二氧化锰制氧气”的反应方程式为______.某研究小组对用H2O2分解生成H2O和O2的实验条件进行探究.他们进行了实验:

编号实验现象
往盛有5 mL 5% H2O2溶液的试管中,伸入带火星的木条,木条不复燃
往盛有5 mL 5% H2O2溶液的试管中,加入a g MnO2,伸入带火星的木条,木条复燃
问题:

(1)设计实验①的目的是______.

(2)如果要证明MnO2是否是上述反应的催化剂,还需要检验______.

研究小组还展开了催化剂MnO2的用量对反应速率有没有影响的思考与探究:

他做了这样一组实验:每次均用30mL 10%的H2O2溶液,采用不同量MnO2粉末作催化剂,测定各次收集到500mL氧气时所用的时间,结果如表(其他实验条件均相同):

    实验次序12345678910
    MnO2粉末用量(g)O.10.20.30.40.5O.60.70.8O.91.O
    所用时间(s)17875432222
问题:

(3)请分析表中数据回答:MnO2的用量对反应速率有没有影响?如果有,是怎样影响的呢?答:______.

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题型:单项选择题

(2006,9)甲公司副总工程师乙某负责开发出某种碳酸饮料配方后,甲公司对该配方采取了全面的保密措施。丙公司利用高薪聘请乙某到丙公司工作,乙某到丙公司受聘后利用该碳酸饮料配方指导丙公司生产产品。根据我国反不正当竞争法有关规定,( )。

A.乙某应承担侵权责任,丙公司不承担侵权责任

B.丙公司应承担侵权责任,乙某不承担侵权责任

C.乙某、丙公司都应承担侵权责任

D.乙某、丙公司都不承担侵权责任

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