【C7】A．contrastB．generalC．additionD．brief

【C10】A．by contrastB．for instanceC．in additionD．however

【C6】A．Above allB．For instanceC．In additionD．As a result

【C8】A．factB．contrastC．additionD．consequence

It is clear that a（n)_____ student can understand it.A.ordinaryB.generalC.usualD.average

61._________A. AndB. ThereforeC. In additionD. Ne

【B20】A．ContrastB．OppositeC．DifferentD．Contrary