![]() CATEGORIES: BiologyChemistryConstructionCultureEcologyEconomyElectronicsFinanceGeographyHistoryInformaticsLawMathematicsMechanicsMedicineOtherPedagogyPhilosophyPhysicsPolicyPsychologySociologySportTourism |
Match the first part of the sentence (1-7) with the second one (A-G).1. The disk drive uses a wheel and axle to turn the disk or a system ….. 2. By choosing the size of the gears, the speed and direction of .…. 3. Gears, along with other simple machines, make up many .…. 4. The transmission uses gears, which are a form of wheel ..... 5. Machines that use a combination of two or more ….. 6. The whole engine is held together by threaded bolts ..... 7. The doorknob is a wheel and axle system that transfers …..
i. ….. of the machines you use every day. ii. ….. simple machines are called complex machines. iii. ….. which are a form of inclined plane. iv. ….. of levers to position the heads that read and write the data on the disk. v. ….. the force applied by a person to a system of levers. vi. ….. and axle with specially shaped teeth on the outside of the wheels. vii. ….. the rotation of the axles can be controlled.
7. Fill in the gaps with the proper item from the text: 1. A bicycle is actually a combination of several of basic _______ machines. a) small b) large c) simple d) complex 2. Two gears fit together and transfer force and power from one gear _______ to another. a) engine b) shaft c) mechanism d) motor 3. A computer, which is thought of as an _______ device, has a cooling fan. a) electronic b) mechanical c) automated d) manual 4. A pair of scissors is a pair of pliers with _______ as the cutting edge. a) pulleys b) axles c) wedges d) levers 5. The _______ contains many levers, wheels and axles, and pulleys. a) computer b) shaft c) plane d) engine 6. Escalators and elevators use combinations of simple _______. a) devices b) machines c) mechanisms d) engines 7. _______ can do all kinds of jobs today and make our lives easier in many ways. a) people b) animals c) machines d) robots
8. Read the clues and complete the crossword:
LISTENING 9. Before- listening:
10. Listen to Recording 1 and answer the questions:
11. Listen to Recording 2 and answer the questions: 1. How many people take part in the conversation? 2. Whose bike has more parts? 3. Whose bike could work?
12. After-listening: choose a word in each line that names a part of a bicycle: 1. heels, wheels, feels, peels 2. bangle, handle, handlebar, mangle 3. peddle, cradle, treadle, saddle 4. main, chain, stain, plain 5. medals, metals, pedals, sandals 6. crossbar, barcode, crossroad, crossover SPEAKING 13. Work in small groups. Imagine that you are working as an engineer and soon you are going to take a group of foreign visitors around your enterprise. Think what you will tell them about different complex machines in the shops. Be ready for the questions the delegation members may ask you during their visit (student A – an engineer, students B, C, D – foreign visitors). 14. Find some information in the Internet about a new, improved model of a car. Compare the original model and the new one. Which features are different? Is the new model better? Discuss in pairs. WRITING 15. What will be the car of the future to your mind? Write a paragraph (60 – 80 words) to describe: - design - interior and exterior car parts - performance and technical specifications. GRAMMAR IN USE These tasks can help you to practise grammar topic “The Modals: Permission - Obligation” (See Appendix 1 p. 230 – 234) and do the following exercises. Date: 2015-12-11; view: 1563
|