To obtain made of is worth
A . it is cheaper ( 1) ____ silver
B . the coins were actually ( 2)____ silver
C . the silver in coins ( 3) ____ much more
Less than 40 years ago in the United States , it was common to change a one-dollar bill for a dollar ' s worth of silver . That is because ( 4) ____ . But those days are gone . There is no silver in today ' s coins . When the price of the precious metal rises above its face value as money, the metal will become more valuable in other uses . Silver coins are no longer in circulation because ( 5) _____ than their face value . A silver firm could find that ( 6) _____ by melting down coins than by buying it on the commodity markets . Coins today are made of an alloy of cheaper metals .
答案解析:
1.【答案】to obtain
【 解析】 it 为形式主语,不定式为真正主语,所以选to obtain 。
2. 【答案】made of
【解析】 be made of 为固定短语,意为“由… … 所组成,由… … 造成”, B 项意为“硬币实际上是银制的”。
3【答案】】 is worth
【解析】 句子缺谓语,C 项意为“硬币中银的价值比面值多很多”,所以选is worth 。
4 【答案】B
【 解析】 空格前一句指出,三十多年前在美国,把1美元钞票换成价值1 美元的银币是很平常的事情。空格所在句子对这件事情进行解释,所以“当时的钱币确实是银制的”符合文意,选B。
5. 【答案】C
【解析】根据空格后出现的than 可知,C 项中的much more 与之对应。
6. 【答案】 A
【 解析】 根据空格后的“通过熔化硬币”可知,熔化硬币是为了便宜地获得银,所以选A 。
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