Grain Rain falls between the end of spring and the beginning of summer, with infrequent cold air moving to the south and lingering cold air in the north.
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In ancient(古代) China, people divided lixia into three periods.
A. 对
B. 错
Traditional Chinese medicine believes that people shall keep pace with changes in the weather
A. 对
B. 错
Thus, during this season, people should nurse their bodies and build up the hearts’ health.
A. 对
B. 错
免疫细胞之间相互识别及传递信息的物质基础是______________, 包括细胞表面的多种________.________和其他分子。