伴你成长高二新世纪（上） Module Two Unit 4 教材精讲： 1 掌握-ing分词完成式和被动式的用法； 2 掌握本课出现的重要词汇。 scale, gymnastics, demonstrate, peak, witness, touch, achieve, giant 3. 掌握本课出现的重要短语。 in terms of, every four years, will power, come out number one, one. . . after another, at the turn off, come true 4.掌握本课出现的重要句型。 It is not until. . .that 5.能力要求。 按空间顺序来组织段落。 语言点详讲： 1.-ing分词的完成式的用法 -ing分词的完成式用作状语，强调一个动作在另一个动作开始前已经完成，或强调第一个动作持续一段时间后发生第二个动作，也强调两个动作之间有一段间隔。 例: Having originally created the environment we live in, plants may be called on once more to save it. ? -ing分词的完成式用作宾语时，强调它表示的动作在谓语所表示的动作之前，但有时，也可用分词的 一般式代替完成式 例：Jack admitted having broken the window in the class room. =Jack admitted breaking the window in the classroom. 2.-ing分词的被动式的用法 -ing分词的被动式可用作主语或宾语．它的逻辑主语是它所表示动作的承受者。 例：I am not used to being treated like that. -ing分词的被动式还可用作定浯、时间状语或原因状语，含有被动、完成两层意思。 例：It is said that the book being written by the famous film star will be published next month. Being examined by the doctor，I felt nervous. 3．scale的用法 n. the relative size，extent，etc；a system of grading people or things规模．等级 例：The business had to be reduced in scale. 【拓展】 相关词组 on a big/large/small scale大／小规模地 out of scale 不合比例 4．demonstrate的用法 v to show clearly by giving evidence；to exhibit 表达，显示，示威 例：How did he demonstrate the truth of his theory? (跟宾语) Can you demonstrate that the earth moves around the sun?(跟宾语从句) 【拓展】 词性转换 n demonstration论证，表明，表现 5．peak的用法 n. the point at which a process o r an activity is the strongest, the most successful or the most fully developed 顶峰．最高点．高峰期 例：We saw a victory by an athlete at the very peak of her career． Don’t go there in the peak season(高峰期+旺期), it’ll be hot and crowded． Traffic is really bad at peak hours. 6．witness的用法 v to be present and see sth(an event，an accident etc)take place目击 例：China has witnessed great historic events. n.[C]a person who sees an event见证者 例：He was a witness of the accident. 7．touch的用法 n. a little bit; a detail that is added to something and makes it took or sound stronger or better少许 例：a touch of fever／cold有点发烧／感冒 v. to feel a part of one’s body．usually with one’s hand触摸 例：Don’t touch the exhibits. v to be associated or connected with sth． 与(某事)有联系或有关系 例：I wouldn’t touch anything illegal. v． to make(sb／sb．’s feelings)sympathetic or sad 感动 例：The story touched us all. 【拓展】 相关闻组 keep in touch 和……保持联系 get in touch with 和……取得联系 lose touch／out of touch(with) 与……失去联系 词性转换 adj．touching令人同情的 8．achieve的用法 v. to succeed in fulfilling an aim or in making a dream come tr ... ...
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