Tobe____forthecorporateshareholder'sprogram,youmusthavebeenworkinghereforatleastthreeconsecutiveyears.

Hehasmadeanotherwonderfuldiscovery,_____ofgreatimportancetoscience.

设数列满足{an}满足a1=0，an+1-2an=1,则a100=（）

Increasing_______________(compete)inthetechnologyindustriesinAsiawillforcecompaniestorecruitmorequalifiedcandidates。

某中学的5个学科各推荐2名教师作为支教候选人，若从中选派来自不同学科的2人参加支教工作，则不同的选派方式有（）