A．betB．chanceC．factD．luck

The poor police had never ____ of winning.A、stand a chanceB、get a chanceC、have a chanceD

【C2】A．opportunityB．chanceC．likelyD．occur

A．HoweverB．NeverthelessC．In factD．In contrast

固体催化剂的比表面积的经典测定方法是基于（)方程。A、BETB、BFTC、BTTD、EBT

【C10】A．purposeB．chanceC．occasionD．basis

【C6】A．phenomenonB．thingC．factD．event