第18题: [单项选择]下列算式正确的是______ A. Int (3.2)=3 B. Int(2.6)=3 C. Int (3.2) =3.2 D. Int (2.6)= 0.6 参考答案:A 答案解析:[解析] 查询的基本操作/查询准则/函数 [评析] Int (数值表达式)是对表达式进行取整操作,它并不做“四合五入”运算,只是取出“数值表达式”的整数部分。
第20题: [单项选择]关于苗勒管混合瘤哪项不正确() A. 含有肉瘤和癌两种成分 B. 来源于残留胚胎细胞或间质细胞化生 C. 恶性程度低,预后好 D. 对放疗敏感 E. 葡萄状肉瘤多发生于幼女 参考答案:C 答案解析:恶性中胚叶混合瘤、癌肉瘤及腺肉瘤等一起称为恶性苗勒管混合瘤,恶性中胚叶混合瘤常发生在女性生殖系统,此病发病率很低,恶性程度高,无良好的治疗方法,预后不佳。
第35题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Buy Frank a new ear. B. Have lunch with Frank. C. Teach Frank how to drive a car. D. Help Frank repair his car. 参考答案:D 答案解析:[听力原文]
W:What are you going to do after lunch
M:I told Frank I’d help him {{U}}fix his car{{/U}}.