好投嘛 a e qi kan hao tou ma
a g r o n o m y qi kan shi s c i ma
a w p l shi s c i qi kan ma
b i o m a t e r i a l s shi t o p qi kan ma
好发嘛 b 2 qi kan hao fa ma
报纸 bao zhi suan qi kan ma
好发嘛 c c c qi kan hao fa ma
好投嘛 c e j qi kan hao tou ma
好投嘛 c c qi kan hao tou ma
c e j shi t o p qi kan ma
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