某市财政收入2003年比l998年增长了72.6％，则该市1998年至2003年财政收入的平均增长速度为（）。
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A enter B get C leave D reach
Delaying the age at which screening starts may________.
The chickens Eijkman noticed in the hospital yard______.
A. couldn't digest the polished rice
B. proved “beri-beri” is caused by germs
C. were later cooked for the patients' food
D. were suffering from“beA-ben”
Twowoman teachers and four girl students were praised at the meeting yesterday.
A B C D
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