问题 填空题

已知一列数:5,4,7,1,2,5,4,3,7,1,2,5,4,3,7,1,2,5,4,3,…,由此可推出第2008个数是______.

答案

因为所给的数列,除开头两个数,后面都是六个数为一个循环,

所以,(2008-2)÷6,

=2006÷6,

=334…2;

因为余数是2,而在7,1,2,5,4,3六个数为一个循环中,第2数是1;

所以第2008个数是1.

答:第2008个数是1.

故答案为:1.

写句子

句子练习。  

(1)我被老人诗一样的语言打动了。(改为“把”字句)

                                                                                                                                               

(2)傣族人地处亚热带,气温高。  傣族人家至今依然保持着“多起竹楼,傍水而居”的习惯。(用适当的关联词语把两句话连成一句)

                                                                                                                                                 

(3)难道你们根据错误信息得出的错误答案,还应该得分不成?(改为陈述句)

                                                                                                                                                    

(4)只要我们都讲卫生,健康和疾病就有保证。(修改病句,在原文修改)    

(5)给一位缺乏自信心的同学设计毕业赠言。

                                                                                                                                            

                                                                                                                                            

单项选择题