单项选择题A.He had full confidence in his career at first.B.He got his first permanent job with no difficulty.C.His education couldn t meet the job requirements.D.He had bad work performance as a trainee.
单项选择题A.They make students overly dependent on search engines.B.They weaken students ability to study on their own.C.They make students easily distracted.D.They improve students research habits and skills.