They seem to be teachers. 他们似乎是老师。 拓展：seem的其他用法： ① It seems as if + 从句 例：It seems as if it is going to snow. 天看起来要下雪。 ② seem可用于“it seems + that 从句”中，可与seem to do/be sth.互换。 例：It seems that she is happy. = She seems to be happy. 她似乎很高兴。 4. Should I stay at home instead of going shopping with my classmate? 我应该呆在家里而不是和我的同班同学去购物吗？ instead of 介词短语，意为“代替，而不是”。 例：We went there on foot instead of by bike. 我们步行去那里，而不是骑自行车去那里。 辨析： instead of 与 instead instead of instead 副词，意为“代替；反而” 通常用于句末，是后者代替前者；用于句首时，起连接上下句的作用，通常是上句含有否定的意义，用于引出下句并提出相反的情况 例：He will be on duty instead of me tomorrow. 明天他将替我值日。 They didn?t go swimming. They went to play football instead. 他们没去游泳，而是去踢足球了。 5. 宾语从句 (一)宾语从句的种类 宾语从句是一种名词性从句，在句中作及物动词的宾语，或介词的宾语，或形容词的宾语。根据引导宾语从句的不同连词，宾语从句可分为三类。 1. 由that引导的宾语从句。that只有语法作用，没有实在的意义，在口语和非正式文体中可以省略。
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介词短语，意为“代替，而不用于句中，其后跟名词、代词、或动名是” 词；是前者代替后者 例：He said (that) he wanted to stay at home. She doesn?t know (that) she is seriously ill. 2. 由连接代词who, whom, whose, what, which和连接副词when, where, why, how引导的宾语从句。这些连接代词和连接副词在宾语从句中充当某个成分。 例：He asked whose handwriting was the best. Can you tell me where the No.3 bus stop is? I don?t know why the train is late. 3. 由if或whether引导的宾语从句。if和whether在句中的意思是“是否”。 例：I want to know if (whether) he lives there. He asked me whether (if) I could help him. (二)宾语从句的语序 宾语从句的语序应为陈述句的语序。 例：I think (that) you will like this school soon. Can you tell me how I can get to zoo? Please tell me when we’ll have the meeting. (三)宾语从句的时态 1. 如果主句的时态是一般现在时，宾语从句该用什么时态就用什么时态。 例：I don?t think (that) you are right. Can you tell me how I can get to the railway station? Do you think he will come tomorrow? 2. 如果主句的时态是一般过去时，宾语从句只能用相应的过去时态（一般过去时， 过去进行时， 过去将来时，过去完成时）。 例：He told me that he was preparing for the sports meet. He asked if you had written to Peter. 3. 如果宾语从句所陈述的是客观真理，其时态常用一般现在时。 例：Our teacher said that January is the first month of the year. Scientists have proved that the earth turns around the sun. 四．Integrated skills 1. We promise that this therapy can help you change your moods, or you will get
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your money back! 我们承诺这种疗法能够帮助你改变心情，否则你可以取回你的钱。 promise 此处用作及物动词，意为“承诺，允诺，答应”，后接名词、代词、动词不定式或从句作宾语。 例：I promise you. 我想你保证。 My brother promised to help me. 我哥哥答应要帮助我。 拓展：promise 用作可数名词，意为“允诺，诺言” 常见搭配：make a promise 作出承诺 keep/ break one?s promise 履行/违背诺言 2. She suggests different clothes to different people. 她为不同的人建议不同的衣服。 suggest v. 意为“建议；提议”，其后可接名词、代词、动词-ing形式。（suggestion 名词形式） 例：My doctor suggested a walk to me. 我的医生建议我散散步。 My friend suggested having a big dinner together. 我的朋友建议一起吃顿大餐。 拓展：① “建议某人做某事”不可用suggest sb. to do sth.句型，但可用advise sb. to do sth. ② 表示“向某人建议某事”可用 suggest sth. to sb. 3. I’d rather wear orange. 我更喜欢穿橙色的衬衫。 would rather 意为“宁可；较喜欢”，其后接动词原形。 would rather…than… 意为“宁可……而不愿……” 例：She would rather help her father on the farm than play the piano. 她宁可在农场帮助父亲，也不愿弹钢琴。 五．Study skills & Task 1. Scientists now think this started many years ago.科学家们现在认为这源于许多年前。 ①scientist 可数名词，科学家 例：I want to be a scientist when I grow up. 当我长大时，我想成为一名科学家。
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②scientific 形容词，意为“科学的”。 例：We can solve many problems by using scientific methods. 我们可以使用科学的方法解决许多问题。 ③science 名词，意为“自然科学”。 例：My favourite subject is science. 我最喜欢的学科是自然科学。 2. When most men worked in the fields, the weather was very important to them. 当大部分男人在地里干活时，天气对他们来说是非常重要的。 important adj. 意为“重要的”，其反义词为unimportant, 意为“不重要的”。 常用句型：it?s important for sb. to do sth. 例：It?s important for us to keep healthy. 对我们来说保持健康很重要。 拓展：importance 不可数名词，意为“重要，重要性”。 例：You should know the importance of the environment. 你应该知道环境的重要性。
Unit 2 练习题
Ⅰ.根据句意及首字母或汉语提示完成单词
1. The report explains what colours can do and the (特征) they (代表). 2. Have you ever walked into a room and felt (放松).
3. It could be because the walls were (涂) blur, a calm and peaceful colour. 4. Shakespeare (创造) many comic characters.
5. Do you think colours can i________________ our moods? Ⅱ. 用所给词的适当形式填空
6. Why not ________ ( wear ) the blue one?
7. He?d rather ________( ride ) a bike there than take a bus. 8. ________( not look ) out of the window in the class.
9. I find it difficult ________ ( tell ) the difference between violet and purple. 10. Young people think grey and black ________ ( be ) fashionable colors. Ⅲ.句型转换
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11 . How many students are there in the classroom? (改为宾语从句)
Could you tell me _______ _______ _______ _______ ______ in the classroom? 12. There?s nothing important on today?s Internet. (改为同义句) There isn?t ________ ________ on today?s Internet.
13. He went to school this morning. He didn?t have breakfast. (合并成一个句子) He went to school ________ ________ this morning. 14. He has already finished his homework. (改为否定句) He ________ ________ his homework ________.
15. I?d rather do my homework by myself than copy others? when I was a student.(同义句) I my homework by myself to copying others? when I was a student.
Ⅳ.根据汉语意思完成句子 16. 篮球和足球你喜欢哪一个？
______________________________________,basketball or football? 17. 我宁愿吃蔬菜，也不愿吃肉。
_____________________________________________meat. 18. 你的自行车没毛病。
______________________________________________your bike. 19. 红羊毛衫穿在你身上真好看。
The red sweater ___________________________________. You __________________________the red sweater. 20. 我们生活在一个充满色彩的世界里。
We live ________________________________________colours. Ⅴ.单项填空
21. The baby is only two years old. How can he ________ himself? A. dressed B. dress C. wear D. have on
22. Mr Grade was dressed in his old suit while his wife _______ an expensive dress. A. was putting B. was wearing C. was having on D. wear
23. Yesterday morning Tom hurried to class ________ his schoolbooks, so he had to share Mary?s A. without B. for C. with D. past 24. Sarah _________ coffee with nothing in it.
A. prefers
B. prefers to C. would rather
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D. would like to
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