第3题: [单项选择]石棉是属于() A. 遗传毒性致癌物 B. 非遗传毒性致癌物 C. 前致癌物 D. 直接致癌物 E. 近致癌物 参考答案:B 答案解析:本题是基本概念题,考核化学致癌物的分类和有关概念。化学致癌物根据作用机制可分为3大类:①遗传毒性致癌物;②非遗传毒性致癌物;③暂未确定机制的致癌物。石棉可引起胸腺间皮瘤,属于非遗传毒性致癌物中固体物质
第7题: [多项选择]假设你过生日时收到了Lucy让人送来的鲜花,写信向她表示感谢。信的内容应包括: 1.表达感谢之意 2.提出回报对方 3.期待对方做客 参考答案: [范文] Dear Lucy, I am writing to express my sincere thanks for your beautiful flowers. I’d like you to know how much your flowers meant to me. You have a positive genius for selecting the right gift. I not only enjoyed your flowers, but also the delicate vase. I shall ever remember this gift as one of the most precious things in my life. I will not be very busy the following days. I hope to have the opportunity of reciprocating. Would you kindly let me know what time you are at convenience I will feel very happy if you have time to make me a call. How nice it would be to see you again and I am looking forward to seeing you next time! I repeat my thanks again for your lovely flowers. Please give my kind regards to your family. Yours truly, Huck 答案解析:[审题] 本文是一篇感谢信。感谢信要写得真诚、具体和及时,并应当特别提及所收礼物的具体内容。 [写作思路] 第一段:说明写信目的,向对方表示感谢。 第二段:希望能够回报对方。
第31题: [单项选择]下列关于利率的叙述有误的是( )。 A. 利率从不同角度分类,可分为固定利率和浮动利率,市场利率与公定利率 B. 我国金融机构的存贷款一般使用固定利率,并且所有金融机构都要使用国家规定的统一利率 C. 浮动利率可以降低借贷双方承担的利率风险 D. 我国利率的制定及调整,由中国人民银行颁布并组织实施 参考答案:B 答案解析:中国人民银行按照国家授权,允许某些金融机构在国家统一利率的基础上,实行一定幅度内利率的上下浮动。