单选题
For investors who desire low risk and guaranteed income, US government bonds are a secure investment because these bonds have the financial backing and full faith and credit of the federal government. Municipal bonds, also secure, are offered by local governments and often have 27 such as tax-free interest. Some may even be 28 Corporate bonds are a bit more risky. Two questions often 29 first-time corporate bond investors. The first is 'If I purchase a corporate bond, do I have to hold it until the maturity date?' The answer is no. Bonds are bought and sold daily on 30 securities exchanges. However, if you decide to sell your bond before its maturity date, you're not guaranteed to get the face value of the bond. For example, if your bond does not have 31 that make it attractive to other investors, you may be forced to sell your bond at a 32 , i. e., a price less than the bond's face value. But if your bond is highly valued by other investors, you may be able to sell it at a premium, i. e., a price above its face value. Bond prices generally 33 inversely (相反地) with current market interest rates. As interest rates go up, bond prices fall, and vice versa (反之亦然). Thus, like all investments, bonds have a degree of risk. The second question is 'How can I 34 the investment risk of a particular bond issue? 'Standard & Poor's and Moody's Investors Service rate the level of risk of many corporate and government bonds. And 35 , the higher the market risk of a bond, the higher the interest rate. Investors will invest in a bond considered risky only if the 36 return is high enough. A. advantages B. assess C. bother D. conserved E. deduction F. discount G. embarrass H. features I. fluctuate J. indefinite K. insured L. major M. naturally N. potential O. simultaneously
问答题
【正确答案】A
【答案解析】[考点] 名词辨析题。 空格前是often have，可知本句是一般现在时，have为及物动词，再根据后面的such as tax-free interest可知，此处应填入名词。根据本句前半句可知，此处是对“市政债券很保险”这一观点的进一步阐述，且空格后提出了tax-free interest “免税利息”，故答案为advantages“优点，好处”。