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第二册:实践与进步 · 单元 3 复习与自测 · 第67–72课 ​

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单元导读 · 单元语法总结 · 单元单词与短语 · 单元复习与自测

先独立作答,再展开答案。下列原创题从相应课时选取,覆盖本范围每一课;错题请回到课时讲解解释错误原因,再替换一个条件重做。

Lesson 67 · 完成进行时与持续活动 ​

阅读材料(本站原创): The scientists have been monitoring the volcano since March.

练习 1 ​

选 since/for:They have been observing it ___ March.

参考答案与解析

答案: since

解析: March 是时间起点。

表达迁移: 写一段科学观察简报,给出监测时段、一项发现和仍不确定的信息。

表达参考与点评

The scientists have been monitoring the volcano since March. They have recorded a rise in ground temperature. The report does not give an exact eruption date.

第一句的组织方式:have been monitoring 是完成进行时,since March 给起点;scientists 是复数主语。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:since three months 不合常用表达;用 for three months 或 since March。

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Lesson 68 · 动名词与动词搭配 ​

阅读材料(本站原创): My neighbour insisted on helping me carry the boxes.

练习 1 ​

填 help:She insisted on ___ me.

参考答案与解析

答案: helping

解析: 介词 on 后接动名词。

表达迁移: 写三句礼貌回应坚持帮忙的人:感谢、解释、替代安排。

表达参考与点评

My neighbour insisted on helping me carry the boxes. I thanked her but explained that the boxes were empty. We agreed to meet for tea later.

第一句的组织方式:insisted on 是谓语搭配,helping 为介词宾语;help me carry 中 carry 可不带 to。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:insist to help 应改为 insist on helping;avoid to answer 应为 avoid answering。

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Lesson 69 · 不定式与目的 ​

阅读材料(本站原创): The learner was told to stop beside the yellow line.

练习 1 ​

填 to/for:The learner was told ___ stop.

参考答案与解析

答案: to

解析: tell somebody to do 的被动保留 to。

表达迁移: 写一次操作失误复盘,交代指令、错误和纠正,不推断恶意。

表达参考与点评

The learner was told to stop beside the yellow line. She pressed the wrong pedal for a moment. The instructor used the dual controls and stopped the car.

第一句的组织方式:was told 是被动转述,to stop 是要求内容,beside the yellow line 为位置。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:brake 是刹车,break 是弄坏或休息;二者同音但拼写含义不同。

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Lesson 70 · 分词修饰与逻辑主语 ​

阅读材料(本站原创): Waving a red flag, the steward guided the visitors away.

练习 1 ​

谁在挥旗:Waving a flag, the steward opened the gate?

参考答案与解析

答案: The steward.

解析: 分词状语默认与主句主语同指。

表达迁移: 写三句现场处置,使用一个与主句同主语的分词短语。

表达参考与点评

Waving a red flag, the steward guided the visitors away. A loose animal had entered the ring. Everyone waited behind the barrier until it was led out.

第一句的组织方式:Waving 的执行者是 the steward;guided 是主句过去式,the visitors 是宾语。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:Waving a flag, the visitors were moved 会让逻辑主语变成游客,不一定符合想表达的意思。

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Lesson 71 · 非真实条件句 ​

阅读材料(本站原创): If the clock had not been repaired, it would have stopped that winter.

练习 1 ​

补全:It would ___ stopped without repairs.

参考答案与解析

答案: have

解析: 过去假设结果结构为 would have done。

表达迁移: 写一个历史设施得到维护的故事,再补一句未维护的假设后果。

表达参考与点评

If the clock had not been repaired, it would have stopped that winter. The town paid for the work in autumn. It still rings every evening.

第一句的组织方式:if 从句 had not been repaired 为过去完成被动;主句 would have stopped 表未发生的过去结果。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:would stopped 缺少 have;过去反事实结果要用 would have stopped。

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Lesson 72 · 分词修饰与逻辑主语 ​

阅读材料(本站原创): A car called Silver Finch completed three test runs.

练习 1 ​

句中主句谓语是 called 还是 completed?

参考答案与解析

答案: completed

解析: called 为后置定语,completed 承担主句谓语。

表达迁移: 介绍一台自拟名称的测试设备,给出测试数量和下一步决定。

表达参考与点评

A car called Silver Finch completed three test runs. Its fastest run ended early because of a tyre problem. The team postponed the record attempt.

第一句的组织方式:called Silver Finch 修饰 A car,completed 才是主句谓语,three test runs 为宾语。其后的两句补充本课情境中的具体发展,作答时应保持人物和时间指代一致。重点自查:A car called Silver Finch. 只是名词短语,不构成完整陈述句。

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