中华人民共和国现有国际机场七个,它们分别在北京、上海、_____、广州、_____、_____、_____。
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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