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1、最新资料推荐Unit 5 Meeting your ancestors单元要点预览（旨在让同学整体了解本单元要点）词汇部分词语辨析1. used to / would 2. interrupt / disturb / bother 3. assume / suppose / presume 词形变化1. alternative n.c替换物 adj.选择性的，二中择一的alternatively adv. 作为选择，二者择一2. accuracy n.u精确性，正确度accurate adj. 正确的，精确的inaccurate adj.不准确的accurately adv. 正确地，精确地i
2、naccurately adv. 不准确地3. assume vt.假定；设想；采用；承担assumption n. 假定，设想，假装，就职assumed adj. 假定的，假装的，装的4. analysis n.c分析，分解analyse(analyze) vt.分析，分解analytical adj.分析的，解析的5. significance n. 意义，含义；重要性，重大significant adj. 相当数量的；意义重大的significantly adv. 意义深远地，重大地6. division n.分(开，配，担；歧，裂)；除(法)；部门divide vt.分(开)；vi.分
3、开 7. skill n.c,u技能，技巧，熟练，巧妙skillful adj. 灵巧的，熟练的，制作精巧的skillfully adv. 巧妙地，技术好地重点单词 1. interrupt vt.&vi. 阻断，中断；打岔；插嘴 2. applaud vt. 鼓掌，称赞，赞成 3. accelerate vt. 加速，促进4. arrest vt. 逮捕，拘留，吸引(注意) n.c逮捕 重点词组1. regardless of 不管；不顾2. fed up with 受够了，厌烦3. look ahead 向前看；为将来谋划4. date back to. 追溯到，从时候就有了重点句型1.
4、We have been excavating layers of ash almost six metres thick, which suggests that they might have kept the fire burning all winter.2. Our evidence suggests they did indeed wear clothes made form animal skins.重点语法复习现在进行时（见语法部分）语言要点（模块）.词语辨析 (旨在提供完形填空所需材料) 1. used to / would【解释】would与used to都可用来表示过去经
5、常性或习惯性的动作。would只能表示反复发生的动作。如果表示过去经常性的状态，就不能用would，只能用used to。used to表示过去经常性或习惯性的动作或状态，但现在已经结束。would则表示有可能再发生。【练习】用used to或would填空。1). When we were boys we _ go swimming every summer. 2). He _ be very poor. 3). People _ believe that the earth was flat. 4). He _ go to the park as soon as he was free.
6、Keys: 1). used to / would 2). used to 3). used to 4). would (现在有可能再去) 2. interrupt / disturb / bother 【解释】interrupt意为“打断，中断”，尤指中断某活动的连续性。disturb意为“因焦虑、失望、困惑等情感因素而使人心绪收到明显干扰”。bother意为“扰乱某人心绪而使人不能专心或专一”。【练习】选择interrupt，disturb，bother的正确形式填空。1). She was _ to hear of your illness. 2). I m sorry to _ the
7、 meeting, but there is an urgent long-distance call for Mr. Zhou.3). Don t _ yourself too much about me. 4). We _ in the middle of our conversation.Keys: 1). disturbed 2). interrupt 3). bother 4). were interrupted3. assume / suppose / presume【解释】assume“假定，设想”，用于逻辑推理，强调一种缺乏证据的结论，以检验某种建议。suppose意为“根据一
8、定证据作出的见解”，最不正式。presume意为“某人以过去的经验作为依据，对某事作出合乎逻辑的推测”。【练习】选择assume，suppose，presume的正确形式填空。1). I _ that he has gone for a walk. 2). We _ the situation will improve.3). From the available data it may be _ that the writer was very famous in the 4th century. Keys: 1). assume 2). suppose 3). presumed.词性变化（
9、旨在提供语法填空所需材料）1. alternative n.c替换物 adj.选择性的，二中择一的alternatively adv. 作为选择，二者择一2. accuracy n.u精确性，正确度accurate adj. 正确的，精确的inaccurate adj.不准确的accurately adv.正确地，精确地inaccurately adv. 不准确地3. assume vt.假定；设想；采用；承担assumption n. 假定，设想，假装，就职assumed adj. 假定的，假装的，装的4. analysis n.c分析，分解analyse(analyze) vt.分析，分解
10、analytical adj.分析的，解析的5. significance n. 意义，含义；重要性，重大significant adj. 相当数量的；意义重大的significantly adv. 意义深远地，重大地6. division n.分(开，配，担；歧，裂)；除(法)；部门divide vt.分(开)；vi.分开 7. skill n.c,u技能，技巧，熟练，巧妙skillful adj. 灵巧的，熟练的，制作精巧的skillfully adv. 巧妙地，技术好地【练习】用括号内所提供词的适当形式或介词填空。1). The way was blocked, so we went b
11、y an _ (alternatively) road. 2). The design is slightly _ (accurate), so we must make some changes. 3). The boss is worried about the _ (accurate) of the statistics. 4). It s impossible to predict the weather _ (accurate). 5). A lot of people make the _ (assume) that poverty only exists in the Third
12、 World.6). The _ (analyse) of the samples on the murder spot showed some valuable clues to the police the address. 7). Students need to possess certain basic _ (skillful) by the time they finish schoo1. 8). He was valued for his skill _ (介词) raising money for the company. 9). The discovery of the ne
13、w drug is of great _ (significant) to people suffering from heart problems.10). Sometimes there is no simple _ (divide) between good and evil.Keys: 1). alternative 2). inaccurate 3). accuracy4). accurately 5). assumption6). analysis 7). skills 8). in 9). significance 10). division.重点词汇（旨在提供词汇综合运用所需材
14、料）1. interrupt vt.&vi. 阻断，中断；打岔；插嘴 interruption n. 中断，打断典例1). Traffic in the city was interrupted by a snowstorm. 市内交通被暴风雪所阻断。2). It is rude to interrupt. 打断别人的话，是不礼貌的。重点用法 interrupt (sb/sth) (with sth) 打断（某人）讲话；打岔；打扰练习 用interrupt的正确形式填空。1). Electricity _ (interrupt) in the course of work. 2). Let s go somewhere where we can talk without _ (interrupt).Keys: 1). was interrupted 2). interruption 2. applaud vt. 鼓掌，称赞，赞成 applause n. 鼓掌欢迎，欢呼典例1). Everyone applauded when th
