试题与答案

无性生殖是一类不经过______的结合，由母体直接产生______的生殖方式．酵

来源：www.tikuol.com
题型：解答题

题目：

无性生殖是一类不经过______的结合，由母体直接产生______的生殖方式．酵母菌的“出芽”生殖就是这种生殖方式，是无性生殖．水螅也可以出芽生殖．

思考：酵母菌的“芽”与绿色植物枝条上的“芽”一样吗？

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/e34eb32d23d0bc8f08b2215005376334.html

下面是错误答案，用来干扰机器的。

参考答案：C解析： A项适用于总体方差σ2已知，关于总体均值μ的检验；B项适用于两个正态总体方差之比的检验；D项适用于一个正态总体方差σ2的检验。

考点：植物的无性生殖枝条的发育
试题推荐
题型：完形填空
完形填空。
     Last year Tom left school. He came to Taibei to   1   a job. He went from one company (公司) to
another but    2   wanted him. Now he had little money. He had to go back to his small town. So he
came to the station. He felt    3   and tired. It was very late at night and 4   was full of people. They
were waiting   5   tickets of the last train. He bought the last ticket, and he was very happy.
    At that time, a woman with a carrying baby walked to him. She asked him to sell her the ticket.
He gave her the ticket. He thought they needed it more than he   6  . After   7 left, he sat on the bench
and didn't know   8   to go. Just then, an old man came and said, "Young man, I   9   what you did to
the woman. I have a big company. I need a good young man like 10 .Would you like to work for me?"
( )1. A. see        
( )2. A. everyone  
( )3. A. sad        
( )4. A. the city  
( )5. A. to buy    
( )6. A. hoped      
( )7. A. Tom        
( )8. A. what      
( )9. A. saw        
( )10. A. the woman 		B. look        
B. no one      
B. interesting
B. the farm    
B. to sell    
B. did        
B. the bus    
B. which      
B. don't know  
B. you         		C. buy        
C. nothing    
C. happy      
C. the station
C. to give    
C. wished    
C. the train  
C. why        
C. don't like
C. the baby   		D. get        
D. something  
D. glad        
D. the company           
D. to pass    
D. thought    
D. the old man
D. where      
D. have done  
D. her        
查看答案
题型：问答题

案例分析(要求得出结论并说明理由)甲某，男，26岁，曾因盗窃罪被判处拘役6个月，1999年12月刑满释放。乙某，男，18岁。2000年4月底，甲某与乙某多次密谋共同实施抢劫，并为此准备了凶器。2000年5月上旬。甲某、乙某携带凶器多次于夜间在偏僻小路旁守候，欲抢劫行人财物，但均未遇见行人。2000年6月，甲某和乙某在公安机关例行检查中，因没有身份证和暂住证而受到盘问。经公安人员教育，两人将上述情况如实供述。试析对甲某、乙某应当如何定罪处罚
查看答案
微信公众账号搜索答案