| Task 1 Improve the following ntences by correcting faulty parallel construction.
(改进下列句子的质量，避免不平衡结构) | | |
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1. He likes to sing, to swim, and table-tennis. key |
| Key: He likes to sing, to swim, and to play table-tennis.
Explanation: “and”通常用来连接词汇、短语、分词层面上的平行结构。此句问题是and后应接不定式短语而不是名词词汇构成不定式平行结构。 | | |
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2. I debated whether I should give the beggar money or to offer him food.key |
| Key: I debated whether to give the beggar money or to give him food.
Explanation: 此句不是平行结构，因为“or”连接的前后二个结构不一样，一个是从句，一个是不定式形式 。要想这个句子平行，需使用相同的结构。 竹子的 | | |
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3. Many people choo air transportation becau it is fast, offers convenience, and it is not very expensive. key |
| Key: Many people choo air transportation becau it is fast, convenient, and inexpensive.
Explanation: “and”可用来连接一系列的在意思和结构上同等重要的词汇或短语。此句错在形容词结构不平衡。 | | |
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4. They not only invaded our privacy, but also our time was taken by them. key |
| Key: They not only invaded our privacy, but also wasted our time. 杠铃
Explanation: 关联连词not only…but also后没有接相同的结构，因此不能构成平行结构。 | | |
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| Task 2 Improve the following ntences to avoid pronouns with ambiguous reference.(改进下列句子的质量，避免代词指代关系不明确) | | | 蝉联是什么意思
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1. Every student must work hard, if they want to pass TOEFL examination with flying colors. key |
| Key: Every student must work hard, if he/she wants to pass TOEFL examination with flying colors.
Explanation: 此句主句主语为单数“student”,从句主语转换为“they”，性与数发生变化，前后所用代词不一致，造成指代关系不确切。 | | |
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2. Sally was friendly to my sister becau she wanted her to be her bridesmaid. key |
| Key: Mary was friendly to my sister becau she wanted my sister to be her bridesmaid.
Explanation: 此句中的代词“her”即可指Sally又可指代“my sister”。代词指代不明确。 | | |
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3.家庭日活动 If boys treated Grandmother with respect, she would surely respect him. key |
| Key:阅读手抄报的内容 If boys treated Grandmother with respect, she would surely respect them.
Explanation: 此句从句中的“boys”玛阿特,在主句中转换为“him”，前后所用代词在数上不一致，造成指代关系不明确。 | | |
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4. He was knocked down by a bicycle, but it was not rious. key |
| Key: He was knocked down by a bicycle, but was not riously hurt.
Explanation: “it”指代不明确。 | 邮箱地址大全 | |
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| Task 3 Improve the following ntences by correcting misplaced modifiers in each。(改进下列句子的质量，避免修饰语错置) | | |
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1. We almost ate all of the Thanksgiving turkey. key |
| Key: We ate almost all of the Thanksgiving turkey.
Explanation: 修饰语“almost”在句中位置不当，没有放在它所修饰的词附近。 | | |
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2. I bought this dictionary at a condhand bookstore which cost ￥20. key |
| Key: At a condhand book store, I bought this dictionary, which cost ￥20.
Explanation:“which cost ￥20”在句中位置不当，应靠近它所要修饰的词汇。 | | |
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3. The monkeys attract visitors with sheer stone faces. key |
| Key: The monkeys with sheer stone faces attract visitors.
Explanation: 此处“with sheer stone faces”当属修饰语错置。 | | |
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4. Romeo received word that Juliet was dead from another mesnger. key |
| Key: Romeo received word from another mesnger that Juliet was dead.
Explanation: 五柳先生传短语“from another mesnger”在句中位置不当，没有放在它所修饰的词附近。 | | |
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| Task 4 Improve the following ntences by correcting dangling modifiers in each.（改进下列句子的质量，避免垂悬修饰） | | |
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1. After finishing his speech, the audience was invited to ask questions. key |
| Key: After finishing his speech, he invited the audience to ask questions.
Explanation: 做状语的分词短语“After finishing his speech”的逻辑主语和句子的主语不一致，造成逻辑上的不合理,即垂悬结构。 | | |
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2. Reading, the doorbell rang. key |
| Key: While reading, I heard the doorbell ring.
Explanation: 做状语的分词“reading”的逻辑主语和句子的主语不一致，造成垂悬修饰。 | | |
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3. To develop a lively writing style, all kinds of ntence structures should be ud. key |
| Key: To develop a lively writing style, the writers should u all kinds of ntence structures.
Explanation: 不定式的逻辑主语与句子的主语不一致, 造成垂悬修饰。 | | |
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4. When only three years old, my father took me to a circus. key |
| Key: When only three years old, I was taken to a circus by my father.
Or：When I was only three years old, my father took me to a circus.
Explanation: 修饰语垂悬省略句在句子中找不到逻辑上被修饰的对象，造成垂悬修饰。 | | |
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