The basic purpose of our trip to the nearby mountain is to boost the morale of staff members, who are fulfilling their duties in an ______ manner.

单项选择题The new computer program is an excellent device for retrieving listings from the database and is faster than ______ method of transferring files.

单项选择题______ the lack of staff members, Mr. Snyder is now involved in three different kinds of work in the sales department.