45. It took a week of investigation to get a reasonably ____ account of the accident.
A) accurate B) precise
C) strict D) positive
46.After seven years' work, Chinese scientists ____ the task of launching their country's first spaceship in seven years.
A) achieve B) accomplish
C) fulfill D) complete
47.The little boy ____ at the funny-looking man for a few minutes before answering his question.
A) glared B) stared
C) gazed D) gaped