Главная Случайная страница Контакты | Мы поможем в написании вашей работы! | ||
|
1. You should check the pronunciation of key words. Transcribe the words:
Physical, science, theoretical, laws, fluid, pressure, surface, phenomena, coalesce, frontier, analyze, weight, thrust, figured out, balloons, conquered, designers
2. Match the words from the texts (1-10) with the definitions (A-J):
to move | A | one of the large flat parts that stick out from the side of a plane and help to keep it in the air | |
propulsion | B | the way in which wind, air, or water can cause a moving object such as a car, plane, or boat to slow down | |
balloon | C | to change from one place or position to another, or to make something do this | |
resistance | D | the natural force that prevents one surface from sliding easily over another surface | |
friction | E | a large bag of strong light cloth filled with gas or heated air so that it can float in the air. It has a basket hanging below it for people to stand in. | |
shape | F | a light frame covered in coloured paper or plastic that you let fly in the air on the end of one or two long strings | |
wing | G | the form that something has, for example round, square, triangular etc. | |
kite | H | the force that drives a vehicle forward | |
flow | I | the force or weight that is being put on to something | |
pressure | J | a smooth steady movement of liquid, gas, or electricity |
3. Match the words from the texts (1-5) with their synonyms (A-E):
trial | A | to examine | |
to coalesce | B | test | |
to verify | C | tendency | |
operation | D | to unite | |
penchant | E | work |
Дата публикования: 2015-02-28; Прочитано: 1671 | Нарушение авторского права страницы | Мы поможем в написании вашей работы!