3. mistaken adj. 犯错的，错误的 mistake n.&v. 错误，过失；弄错，误解，把……误认为

[典例]

1). You are mistaken about him．你误会他了。

2). It can’ t have been my car. You must be mistaken. 那不可能是你的车。你肯定错了。

[重点用法]

by mistake 错误地　　　　　　　　　　　　　　　　　　　　　 　　 　　　　　　　 mistake for 被误认为是

mistake in 在……的错误　　　　　　　　　　　　　　　　 　　 　　　　　　　 make a mistake 犯错误

[练习] 根据句子的要求在括号里填入适当的词。

1). Someone must have left the door open _______ mistake.　　

2). We may have made a mistake ________ our calculations.　　

3). Tom didn’ t make a single spelling ________ in his composition.　

4). You _______ my meaning entirely.　

5). He was ________ for the minister.　　

6). Ivan’ s work is always full of _______.

Keys: 1). by　 2). in　　 3). mistake　 4). mistook　 5). mistaken　 6). mistakes

2. hesitate vi. 犹豫，踌躇，不愿　 hesitation n.[u,c]踌躇；犹豫不决

[典例]

1). He hesitated before he answered because he didn’ t know what to say. 他在回答之前犹豫了一下，因为他不知道说什么。

2). Don’ t hesitate about that. Do it at once. 对于那件事不要再犹豫了。马上去做吧。

[重点用法]

hesitate to do sth. 做某事犹豫不决　　　　　　 　　　　　　 hesitate about (doing)sth. 对某事犹豫不决

[练习] 根据句子的要求在括号里填入适当的词。

1). He was still ________ over whether to join the expedition.　

2). He did not hesitate _______ (ask) her to sit beside him.

3). Without any_______ (hesitate), he jumped into the river to save the drowning child.

4). There’ s no room for _______ (hesitate).

Keys: 1). hesitating　　 2). to ask　　 3). hesitation　　 4). hesitation

1. adaptation n.[c] 改编 adapt vt.使适应(合)；修改,改编 vi. (to)适应

[典例]

1). The play is an adaptation of a short novel. 这部戏剧是一部短篇小说的改编本。

2). The adaptation of animals to the environment is rather slow. 动物对环境的适应是相当慢的。

[重点用法]

adaptation to 对……的适应　　 　　　　　　　　　　　　　　　　　　　　 　adapt oneself to 使适应；使适合

[练习] 根据句子的要求在括号里填入适当的词或翻译。

1). He tried hard to _______ himself _______ (使自己适应) the new conditions.　

2). He made a quick ________ _________ (适应了) the new environment.　

3). When they moved to Canada, the children _______ _______ the change very well.

Keys: 1). adapt; to　　 2). adaptation to　　 3). adapted to

根据课文内容完成下面语法填空，注意单词拼写和词语用法：

When I called up my mother in the countryside on the phone, she told me ___1_____came to my home now and then, and they seemed to 　　2　　 (make) their home there. I got the chance to 　_____3_____ (区分)myself by inventing something to catch snakes. No products can help me catch snakes, so I set 　　4　　 　researching the habits of snakes in order to trap them. I decided on three approaches: firstly 　　5　　 　(remove)their habitat; secondly, _____6_____　 them into a trap, the thirdly 　　7　 　　them. I used some 　　　8　　 　bowl to make the snakes less 　　9　　 , and then collected them, the next day 　　10　　 them into the wild.

(答案：1.snakes;　　 2.have made;　　 3.distinguish;　　　 4.about;　　　 5.removing;　　　　　　

6.attracting;　 7.cooling;　　　　 8.frozen;　　　　　 9.active;　　　 10.released)

2. Between the outside and inside walls of the bowl there is some jelly, which freezes hard when cooled. 在碗的内外壁中间有些果冻，当冷冻时就会变得非常硬。

[解释] when cooled的构成：连词+过去分词，相当于when 引导的状语从句when it is cooled

　　 如果when／while引导的时间状语从句中的主语与主句的主语相同，常常可用when／while + 现在分词短语或者过去分词短语的结构来代替。

1). When offered help, you should say “thank you” or “it’ s very kind of you”.

= When you are offered help, you should say “thank you” or “it’ s very kind of you”.

2). You must be careful when crossing the street.

= You must be careful when you cross the street.

3). Seen from the hill, the city is beautiful.

= If／When the city is seen from the hill, the city is beautiful.

4). Seeing from the hill, you call see that the whole city is beautiful.

= If／When you see from the hill, you can see that the whole city is beautiful.

[练习] 用括号内所提供词的适当形式填空。

1). Once _______ (publish), this novel will be very popular!

2). _______ (tell) many times, he still couldn’ t understand.

3). The girls are talking excitedly, _______ (follow) their teacher.

Keys: 1). published　　 2). Having been told　 3). following

课文要点(模块)

1. The first thing I tried to do was to see if there were products that might help me, but there only seemed to be powders designed to kill snakes. 我先看看有没有能派得上用场的产品，好象只有一些用来杀死蛇的药粉。

[解释]

(1) 在there be结构中，be的人称与数应遵循就近一致原则：

　 There was a bucket of water and two chairs in the comer of the house.

　 There are two chairs and a bucket of water in the comer of the house.

(2) there be常见的形式有：there seems to be...／there happens to be...／there used to be...

(3) seem的归纳总结：

① sth.／sb. seem (to be)+adj.／名词好像

　② It seems that... 似乎，好像……

　③ It seems to sb that... 在某人看来好像……

　④ It seems as if／as though... 看起来好像(后可接虚拟语气，这可接表真实的表语从句。)

　　 It seems as if it were going to rain. 看起来好像要下雨了。(天气好得很，不会下雨。)

　　 It seems as if it is going to rain. 看起来好像要下雨了。(真的快要下雨了。)

　⑤ There seems (to be)…… 好象……

　[练习] 根据句子的意思在括号里填入适当的词。

1). The child seems _______ (be) healthy, but the doctor is concerned.

2). It seems to me _______ there’ s something funny about the case.

3). There doesn’ t seem _______ (be) much hope that he’ ll come / of him coming.

Keys: 1). to be　　 2). that　 3). to be