Полезное:
Как сделать разговор полезным и приятным
Как сделать объемную звезду своими руками
Как сделать то, что делать не хочется?
Как сделать погремушку
Как сделать так чтобы женщины сами знакомились с вами
Как сделать идею коммерческой
Как сделать хорошую растяжку ног?
Как сделать наш разум здоровым?
Как сделать, чтобы люди обманывали меньше
Вопрос 4. Как сделать так, чтобы вас уважали и ценили?
Как сделать лучше себе и другим людям
Как сделать свидание интересным?
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Using the vocabulary of Unit 1 match the words with their definitions
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| 1.tensile strength | a. the activity of joining metal parts together |
| 2.log | b. to go across from one side of something to the other |
| 3.variation | c. iron that can be bent into attractive shapes and used to make gates, furniture, etc. |
| 4.welding | d. the ability of a material or object to be stretched or pulled without breaking. |
| 5.wrought iron | e. a mixture of sand, water, and cement or lime that is used to fix bricks or stones to each other when building walls |
| 6.aqueduct | f. a thick piece of tree trunk or branch, especially one cut for burning on a fire or building something. |
| 7.dam | g. a structure, consisting of a curved top on two supports, that holds the weight of something above it. |
| 8.mortar | h. a wall built across a river that stops the river’s flow and collects the water, especially to make a reservoir (= an artificial lake) that provides water for an area. |
| 9.to cross | i. a change in amount or level. |
| 10.arch | j. a structure for carrying water across land, especially one like a high bridge with many arches that carries pipes or a canal across a valley |
| 8. Discuss with the group the following topic: ü What did the invention of a bridge mean for ancient people? ü How did it influence their life? |
1. Fill in the gaps using the words below:
Aqueduct, logs, to damage, arch, sticks, mortar, load, ropes, welding, erection, branches, to stand.
1. Imitating monkeys, ancient people used _________ to cross obstacles such as wells and chasms (ущелье).
2. Ancient Romans built _________ to provide water to their cities.
3. _________ is a way to connect metal units with each other.
4. To span a stream or a well _________, _________ and _________ are used.
5. _________ on the bridge should be spread along the whole span length.
6. A bridge must be strong enough to _________ the entire load imposed.
7. The influence of bad weather conditions may _________ the bridge.
8. _________ of a bridge is difficult process.
9. _________ is made of cement, sand and water.
10. _________ was invented by Romans.
Date: 2015-12-12; view: 1239; Нарушение авторских прав