光照时间对生长发育几乎无直接影响。生长在23h光照1h黑暗和23h黑暗1h光照的育肥猪可以获得系统的生产效果。()
More than one______dismissed from the company because of the financial crisis.
A. have been
B. has been
C. are
D. is
【C7】
A. But
B. Though
C. Moreover
D. Nevertheless
作为导游语言艺术基本要求之一的“适中”指的是在导游语言的运用上要把握好_____。