51. _________ denotes currency in circulation plus bank deposits.
A. The term “money supply”
B. The term is “money supply”
C. When the term “money supply”
D. “Money supply” is the term
答案：A
分析：缺主语。B，D中出现两个谓语，一定错。C中when多余，使得句子不完整。
参考译文：术语货币储备是指流通货币加上银行存款。
52. The Franklin stove， invented around 1742， ________， originally with a partially open front， and was designed to fit into a fireplace.
A. was made of cast iron
B. cast iron was made of
C. cast of iron was made
D. was of iron made cast
答案：A
分析：invented around 1742为插入语，2个was为并列谓语。be made of 为固定搭配。
参考译文：Franklin火炉发明于1742年，是用铁浇铸的，原先前面可以部分打开，而且设计成能正好装进壁炉。
53. A few species of mushrooms cause death or serious illness _________.
A. having eaten
B. that they are eaten
C. are eaten
D. when eaten
答案：D
分析：状语从句的省略结构。省略条件：由特定的状语从句引导词：although， though， even though， if， when， while， as， whether； 从句为主系表结构；从句主语和主句主语一致。省略方式：要同时省略主语和系动词。原句为：…… when mushrooms are eaten.
参考译文：吃了一些种类的蘑菇会造成死亡或重大疾病。
54. Some critics maintain _________ the mystery novel is a symbolic ritual of guilt and retribution.
A. is that
B. that there is
C. it is
D. that
答案：D
分析：that引导宾语从句。A，C中出现两个谓语动词，错；B中that引导的从句出现两个谓语动词，错。
参考译文：一些评论家认为神秘小说是罪与罚象征性的仪式。
55. _________ all cherry trees are very attractive when in bloom， some species with inferior fruit are cultivated especially for their flowers.
A. Although
B. There are
C. It is
D. That
答案：A
分析：后面句子完整，且出现了两个谓语动词，此处缺连接词。
参考译文：尽管所有的樱桃树在开花的时候都很美丽，但它们中的一些不结果的种类专门种植用来观赏他们的花的。
56. Usually pitched in the of C， _________ may be tuned to B flat by means of a slide.
A. the bugle
B. because of the bugle
C. the bugle that
D. but the bugle
答案：A
分析：缺主语。
参考译文：通常音调为C大调的军号，可以通过滑动的方式平稳的吹出B调来。
57. With _________ formal art training and largely self-educated， Anna Mary Moses， known as Grandma Moses， began to paint rural scenes at the age of seventy-eight.
A. not
B. no
C. neither
D.

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