Before investing in common stocks, one should be aware of both their advantages and disadvantages. One advantage is their high return on the__47_ amount invested. The average price of all stocks sold on the major stock_48___ can be expected to rise considerably over an __49___ period of time; common stocks of time, common stocks offer an __50__ hedge（防御措施） against long-term inflation. Addtionally, there are tax advantages to invest in common stocks. The income on the capital gain of a common stock held for more than a year is taxed at a much lower rate than ordinary income. The big disadvantage ofcommon stocks is the great risk of price__51_ that must be accepted in return for the chance to realize large gains. Both individual stocks and the market in general__52_ to sudden and steep price falling. These are difficult for the small investors to__53__. Another disadvantage is during periods of high inflation the attractiveness of other forms of investmment, such as time__54_, Thus, during these times the value of common stocks as a hedge aginst inflation is reduced. Oftern,too ,ther current rate of return on common stocks is much lower than the return on the other less risky forms of investment. Although these disadvantages cannot be___55__, they should not blind investors to the advantages of the__56___ chosen common stocks.

A) cautiously B) extraordinary C)deposits D) anticipate E)incline
F) decline G) attractive H) exchanges I) original J)ignored
K) territory L) plentifully M) deficiency N) extensive O) demonstrate

47. I。 空格处单词位于the之后，名词amount 之前，与High potential return意思相对，需要填入形容词。该句意为：股票的优势之一在于其远离与原始成本的高收益。因此original“最初的，原始的，固有的”，符合题意。
48. H。空格所在处指“股票交易买卖的地方”，H)exchangs“交换，调换”符合题意。stock exchange 为固定说法，意为“证券交易所”，因此其他名词均不符合题意。
49. N。空格处应填能做定语的词。该句意为：证券交易所股票的平均价格有望在较长一段时间内大幅增值。由此可知，extensive“广大的，广阔的，广泛的”符合句意。
50. G。空格处于不定冠词an之后，名词hedge（防御措施）之前，缺少定语，需要填入形容词。该句意为：普通股提供了一个规避长期通胀的理想途径，因此attractive“有吸引力的”符合题意。
51. F。空格处单词位于名词price之后，后面紧跟定语从句，需要填入名词，前面已经提到股票的优势在于高收益，而这里讲它的不利之处，相对应饿应该是股票下跌了，故应该选decline，与price一起构成短语做介词of 的宾语。
52.E。空格处所在句缺少谓语动词，需要填入动词，且该词后能接不定式。该句意为：一般来说，个股和股票市场都常会面临突如其来的股价陡跌。由此可知，E”倾向于，赞同“符合题意。Incline to意为“倾向于…”
53. D。不定式符号to后缺少动词，与to 一起构成不定式。改句意为：股价的陡跌不是普通投资者所能预见的。因此anticipate”预期，预料，期待”，符合题意。
54.C。在通货膨胀的，像一些为你托的投资方式，诸如定期存款，分红，抵押款等的收益要高于股票收益。因此deposits”存款，押金，保证金”，符合题意。
55. J。该句缺少谓语动词，空格处单词位于cannot be之后，所以应填入动词的被动式。该句意为：虽然股票确有风险，对此投资者不能忽视，因此ignored“不理睬，忽视”，符合题意。
56. A。空格位于定冠词the之后，动词的过去分词chosen之前，需要副词修饰chosen。该句意为：虽然股票确有风险，对此投资不能忽视，但是投资者也无需因此放弃精挑细选的股票。cautiously”慎重的”符合题意。