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1) “Free balloons” are forced to drift by …
2) This fact alone makes the balloons not …
3) If they were safer they would …
4) They carry instruments whose readings are …
5) Etienne and Joseph Montgolfier lived in …
6) After numerous experiments they were ready to …
7) The brothers had constructed a bag …
8) The news about the experiment reached …
9) The next time the balloon carried a cage with …
10) If the animals could live through this …
11) He stayed up in the air for twenty-five minutes …
12) A month later he and Arlandes made …
Speaking
You are going on a balloon flight. Tell who and what you would like to take with you. Follow the plan.
1. Place of Destination
2. Approximate Flight Duration
3. Membership
4. Food
5. Clothes
6. Any other things
UNIT 4
TYPES OF AIRCRAFT
Preparing to read
Name the aircraft you know. Describe them. Try to group them according to their principle of flying.
Match the keywords with their translations.
1. seaplane a. воздушный винт
2. glider b. амфибия
3. airplane c. реактивный снаряд, ракета
4. helicopter d. гидросамолёт
5. autogiro e. силовая установка
6. missile f. планер
7. airscrew g. автожир
8. float h. вертолёт
9. amphibian i. поплавок
10. power plant j. самолёт
Reading
Read the text and check whether your predictions in ex. 2 were correct.
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