step by step 第三册 lesson 114

Lesson 114 Part Ⅰ

Lesson 114

Part Ⅰ  Warming-up Exercises

Spot Dictation: Synthetics²

Nowadays we wear orlon ______that look like wool, dacron ______that resemble cotton,  and nylon _______that remind us of silk. _______night we snuggle under blankets _______comforting warmth does not owe _______to the fleece of a_______. Our shoes are soled with_____ that comes out of a_________ instead of from a plantation³._______ walk on nylon or acrilan _________that are startling in their  _______to wool. The chairs we _______on  are cushioned with  a ______foam,  covered with an imitation_______ fabric⁴ or leather.  The table________ only looks like wood; it _______really plastic. Our food is ______in transparent⁵ bags, instead of _______.

We are living in the _________of chemicals.  Sometimes it seems_________ everything from the frames of______ glasses to the fillings in_______ teeth is made of synthetics. _______ is the word commonly used______ describe man-made or artificial products.

_______development of synthetics is a ______natural thing. It is human______ to want something better. Better________ what,  you may ask? Better_______ the things we have,  is_______ answer.

 

Score: ______

Lesson 114 Part Ⅱ

Lesson 114

Part Ⅱ  The Story Of Silk

 

Exercises:

Ⅰ.

 

 

Ⅱ.Finally the secret was stolen. In the _____,_______learned about the ______and ______. They spent_______ and finally found a way to take some _______out of the country.  The________ always carried _______. One day they hid________ in the ______,  and  walked out of _______with them. It is said that the development of the silk industry in other countries came from those _________which the ________had carried out of _________.

Lesson 114 Part Ⅲ

Lesson 114

Part Ⅲ  Clothing

 

Exercises:

 

Outline

 

Ⅰ.Man's Basic Needs

A.____________________________________________________

B.____________________________________________________

C.____________________________________________________

Ⅱ.Purposes for Wearing  Clothing

A.____________________________________________________

B.____________________________________________________

C.____________________________________________________

D.               (Prehistoric man )                        

Ⅲ. Natural Materials

A. From plants___________________________________________

B. From  animals ________________________________________

Ⅳ.Synthetic¹ Fibers⁶

A.(First made in 1884)_____________________________________

B. Complete synthetic fibers_________________________________

C. Recent synthetic products_________________________________

Ⅴ.Superiority of Synthetic Fibers

______________________________________________________

1 synthetic   

adj.合成的，人工的；综合的；n.人工制品

参考例句：

• We felt the salesman's synthetic friendliness.我们感觉到那位销售员的虚情假意。
• It's a synthetic diamond.这是人造钻石。

2 synthetics   

n.化学合成物

参考例句：

• cotton fabrics and synthetics 棉织物与合成织物
• It is a universally applicable thickener for printing on the synthetics. 特别适合用做纺织印染工业中人造合成纤维的印染增稠剂。

3 plantation   

n.种植园，大农场

参考例句：

• His father-in-law is a plantation manager.他岳父是个种植园经营者。
• The plantation owner has possessed himself of a vast piece of land.这个种植园主把大片土地占为己有。

4 fabric   

n.织物，织品，布；构造，结构，组织

参考例句：

• The fabric will spot easily.这种织品很容易玷污。
• I don't like the pattern on the fabric.我不喜欢那块布料上的图案。

5 transparent   

adj.明显的，无疑的；透明的

参考例句：

• The water is so transparent that we can see the fishes swimming.水清澈透明，可以看到鱼儿游来游去。
• The window glass is transparent.窗玻璃是透明的。

6 fibers   

光纤( fiber的名词复数 )； （织物的）质地； 纤维，纤维物质

参考例句：

• Thesolution of collagen-PVA was wet spined with the sodium sulfate as coagulant and collagen-PVA composite fibers were prepared. 在此基础上，以硫酸钠为凝固剂，对胶原-PVA共混溶液进行湿法纺丝，制备了胶原-PVA复合纤维。
• Sympathetic fibers are distributed to all regions of the heart. 交感神经纤维分布于心脏的所有部分。