1、Unit 1The world of our senses我们都知道人有五种感觉器官。不过，你熟悉五官的功能吗？了解它们是怎样产生作用的吗？How do your senses work?Whats that smell？Do you hear that noise？Taste this！Look at me！Feel this，isnt it soft？When you hear，or even use these phrases，you probably dont stop to think about why we use them. Well，its because of our se
2、nse. Without us even knowing，our sense organs (nose，eyes，ears，tongue，and skin) are taking in information and sending it to the brain for processing.If we didnt have them，we would not be able to smell，see，hear，taste，or touch anything!Senses are the physical means by which all living things see，hear，s
3、mell，taste，and touch. Each sense collects information about the world and detects(发现) changes within the body. Both people and animals get all of their knowledge from their senses，and that is why senses are so important.All senses depend on the working nerve system. Our sense organs start to work wh
4、en something stimulates special nerve cells，called receptors，in a sense organ. Once stimulated，the receptors send nerve impulses(脉冲) along sensory nerves to the brain. Your brain then tells you what to do. For example，your sound receptors are often attacked by billions of sound waves. When these sig
5、nals reach the part of the brain called the cerebral cortex(大脑皮层)，we become conscious of the sounds.1take in 吸收，接受；领会2process vt. 加工，处理 n. 程序，过程，步骤3depend on 依靠，依赖4stimulate vt. 刺激5conscious adj. 意识到的；神志清醒的1What are senses?_2How do our sense organs work?_【答案】1.Senses are the physical means by which
6、all living things see，hear，smell，taste，and touch.2When something stimulates receptors in a sense organ，the receptors send nerve impulses along sensory nerves to the brain.Your brain then tells you what to do.Section Welcome to the unit & ReadingPreparing根据提示写出下列单词1_ vt. 使糊涂，使迷惑2_ vt.&n. 预测，预报3_ adv.
7、 无处，到处都不4_ adj. 狭窄的5_ vi.&vt. 靠近；着手处理 n. 靠近；方法；路径6_ n. 黑暗7_ vi. 凝视，盯着看8_ adv. 牢牢地，坚定地9_ n&vt. 帮助10_ n. 轻松，宽慰11_ n. (公交车)售票员；(乐队) 指挥12_ n. 车费13_ vt. 观察；注意到；评论14_ vi.&n. 瞥一眼，匆匆看15_ adv.&conj. 无论哪里16_ vi. 犹豫，迟疑不决17_ vt. 抓紧，抓牢18_ adj. 焦虑，忧虑19_ adj. 感激的，表示感谢的20_ n. 听力，听觉【答案】1.confuse2.forecast3.nowhere4n
8、arrow5.approach6.darkness7.stare8firmly9.aid10.relief11.conductor12.fare13observe14.glance15.wherever16.hesitate17grasp18.anxious19.grateful20.hearing看单词学构词后缀ly常用于形容词后面构成副词，如：roughly粗糙地；quietly 轻轻地；silently 沉默地；suddenly 突然地；happily 愉快地，开心地；slowly 慢慢地；quickly 迅速地等。根据提示补全下列短语1_sight看得到，在视力范围之内2wish _
9、盼望，企盼3reach_ 伸出(手)4stare up _ 抬头凝视5watch out _ 留心，密切注意6come _ ones aid 来帮助某人7_ relief 轻松地，宽慰地8pay _ 偿还；报答9_ the future 将来10. get _ (使)越过，(使)横穿马路；(使)被了解【答案】1.in2.for3.out4.at5.for6.to7.in8.back9.in10.across根据提示补全下列教材原句1Some people cannot remember something until they have seen it.有一些人直到看到某件东西才能记住它。2O
10、nce_out_in_the_street，she walked quickly towards her usual bus stop.一到街上，她就匆匆地向以前乘车的公交车站走去。3.the truth is that it is too_foggy for the bus to_run that far.实际情况是雾太大了，公交车去不了那么远。4Outside，wherever she looked the fog lay like a thick，grey cloud.外面，无论她往哪儿看，大雾就像一片浓密的灰云笼罩着。5Polly found herself staring up at
11、 the face of an old man with a beard.波莉抬头看去，发现是一位长着络腮胡子的老人。阅读P2P3教材课文，选择最佳答案1How did Polly get to Green Park?ABy bus.BTook a taxi.COn the train.DLed by a strange man.2The man who helped Polly out of trouble was _.Athe man who watched Polly on the trainBan old blind man who always helps others in the
12、 fogCthe old man who made heavy footsteps behind herDan old man who always gets lost in the heavy fog3According to the text，which of the following is TRUE?AThe fog was very thick in the morning.BWhen she got to Green Park，the weather turned out to be fine.CPolly got to Green Park by train.DThe old m
13、an carried an umbrella in his hand.4The text mainly talks about_.APollys experience in a fogBPollys school life in LondonCPollys experience in a trainDwhat a person should do in a fog【答案】14CBCA阅读P2P3教材课文，在空白处填入适当的内容(1个单词)或括号内单词的正确形式Polly never foresaw she would one day be helped by an old blind man.
14、 At four oclock that afternoon, she left work and 1._(step) out into the street, ready to go home in King Street. Due 2._ the thick fog, she had to take the Underground to Green Park, then to her house. As it was so foggy that she felt a bit 3._ (frighten). On the train she had a feeling 4._ she was
15、 being watched by a tall man.5._ (walk) towards Park Street, she heard footsteps and felt a mans rough hand brush her cheek. Her heart was beating with fear. Therefore, when she heard another mans 6._(footstep), she wanted to run, but fear held her still. Much to 7._(she) joy, this time an old man c
16、arrying a stick reached out his hand, held her hand 8._(firm), and led her to her street, chatting all the way.In the end, Polly got 9._ (know) that the old man was blind! Why did he do that on such 10._ day? The old man wanted to pay back the help he received when it was sunny. Polly felt so warm! Everyone needs help and should pay it back.【答案】1.stepped2.to3.frightened4.that5.Walking6.footsteps7.her8.firmly9.to know10.a