霉菌、微生物和蛀虫在适宜的温度和相对湿度高于70%时繁殖迅速。( )
参考答案：错
A botanist who speaks and writes English is in closer touch with the scientists in other countries than who doesn’t．
A．one
B．those
C．/
D．that
导游IC卡计分管理制度从何时起实行？
