Her appeal came as Greeks have become increasingly vocal about both the cost of the Olympics and hassles caused by construction around Athens.
The finance minister recently complained that the cost of the games were higher than expected and the rewards less than Greece had hoped for. His comments came a few days after the minister of public works questioned if Greece should have bid for the games.
But Angelopoulos-Daskalaki said Greeks should "show that we are going forward with optimism and that we are ready. We should not give anyone a reason to complain or use an unfair description of our country."
At least one delayed project came one step closer to completion on Friday, with the final section of the main Olympic stadium roof being slowly pulled into place.
HOOP HAPPINESS
Officials from world basketball's governing body expressed satisfaction on Friday with the long-delayed Olympic venue to host the sport.
"It is a perfect building for basketball," FIBA spokesman Florian Wanninger said at the start of a three-day test of the 12,000-seat facility.
"I believe this is the most beautiful basketball building which exists in this country right now," he said.
The venue, a revamped hangar at Athens' former international airport, was hosting an international women's basketball tournament.
"We are very, very satisfied with the work," Wanninger said. "It is almost completed. There is some finishing work to be done."
Some temporary seats and some flooring remain to be put in place before the Aug. 13-29 Games.
"All the functional areas are basically done. It looks as if traffic flow is excellent. It was a very well thought out design," Wanninger said.
FIBA officials originally had doubts that the delayed venue would be ready for the test event.
"At a certain time I had some doubts ... The state it is now in was a big surprise for me," Wanninger said. "To be honest we could even start tomorrow with the games."
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