Brazil coach Luiz Felipe Scolari insisted his side would continue to improve after their 4-0 demolition of China on Saturday.
The win, with goals from Roberto Carlos, Rivaldo, Ronaldinho and Ronaldo, ensured that Brazil qualified for the second round with a game in hand.
Scolari said: "I know the team is getting better match by match so I hope they can keep on improving."
Ronaldo, who scored his second goal of the World Cup, agreed.
"This is a victory that strengthens the self-confidence and
the spirit of the team," he said.
"We are getting better co-ordinated every day and we hope to keep scoring goals and winning our games."
But Scolari insisted that he would not be thinking about the second round until Brazil had played their final group game against Costa Rica.
"For the moment it is too early to think about the next round," he said.
"We have to wait and see and then think about the opponents we will have."
Scolari said he had formulated a strategy for the challenge of China.
"We knew China would start with pressure so we decided to wait 10 to 15 minutes then we started to play our way," he said.
"We knew we were technically superior to China so we waited our time.
"We also knew what they were capable of and we did our best against the oponnents we had.
"But we realised we were better because we are more experienced but it was still a good match."
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