step by step 第三册 lesson 114
时间：2018-12-27 作者：英语课 分类：英语听力入门 (全四册)
Lesson 114 Part Ⅰ
Lesson 114
Part Ⅰ Warming-up Exercises
Spot Dictation: Synthetics 2
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 plantation 3._______ 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_______ fabric 4 or leather. The table________ only looks like wood; it _______really plastic. Our food is ______in transparent 5 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 ________________________________________
A.(First made in 1884)_____________________________________
B. Complete synthetic fibers_________________________________
C. Recent synthetic products_________________________________
Ⅴ.Superiority of Synthetic Fibers
______________________________________________________
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。