半句矛盾。Р 4. C。make sense是习语,意为“有道理”、“意义清楚”。Р 5. B。比较:attempt=尝试,企图;intention=意图;purpose=目的;desire=欲望。Р 6. B。记住:a large / great / good quantity / amount of +复数名词或不可数名词,谓语动词用单数;large / great / good quantities / amounts of +复数名词或不可数名词,谓语动词用复数。Р 7. A。instructions说明书(常用复数),explanation解释、说明。Р 8. C。Most of / Half of / Part of / part of +名作主语,谓语与of后面的名词保持一致。本题中magazines是可数名词复数,故谓语动词用复数。Р 9. B。表示“机会”时,opportunity和chance两者均可;但表示“可能性”时,只能用chance。Р 10. A。The number of + 名词复数,谓语常用单数;A. number of + 名词复数,谓语常用复数。Р 11. A。表示主动提供的东西,用offer。Р 12. B。抽象名词表泛指时一般不与冠词连用。Р 13. C。抽象名词有前置或后置修饰语时,前面用不定冠词,使之具体化;如:A. happy life / a good education in that university / a wide knowledge of natureР 14. B。表具有某种特性、状态、特点、情感、情緒的人和事;如:She is a ess in cause but a failure in marriage.(成功者、失败者)Р 15. C。表示Palmer一家人,指一家人时常用the +姓氏的复数。