Нужно вставить данные слова в пропуски: motorcycles • spark plugs • valves • burns • intermittent • reciprocating • polluting • runs • light • size • rotary • cycle • rockets
The spark-ignition two-stroke engine is an internal combustion (a) …………… motor, usually employed for chainsaws, (b) or boats. Relatively small and (c) ……… , it uses two strokes for every power (d) ………… and does not employ intake and exhaust (e) ………… but ports: special holes cut into the cylinder wall. It is quite powerful for its (f) ………… but tends to heat up and has a short life; besides, it (g)………… a lot of gasoline and oil, thus being very (h) ………… . Diesel engines are internal combustion reciprocating engines which do not rely on (i) ………… to cause combustion but exploit compressed air and spontaneous ignition of injected fuel. Gas engines are similar to gasoline ones but employ natural gas instead of gasoline vapour.
The Wankel engine (j) ………… on a four-stroke cycle but is a (k) ………… engine since the crank mechanism is replaced by a rotor. The reaction engine used for jets and (l) ………… and the gas turbine are not reciprocating, in fact combustion is not (m) ………… but continuous.
2) Cairo is the capital of Egypt .
3) Would you like a banana or strawberries?
4) Ukraine and Turkey are separated by the Black sea.
5) The fly is on the ceiling in the kitchen.
6) My mother is an accountant and my father is a lawyer. They work in the same company in the centre of our town .
7) How much are her Italian lessons? - Ten dollars an hour .
8) It was so picturesque in the Crimea last summer.
9) Where are the dogs? - They are in the garden .
10) My favourite subjects are Chemistry and Biology.
11) London stands on the Thames.
12) My granny lives in a small village in the country.
13) The Volga is the longest river in Russia.
14) Your baby shouldn`t sit in the sun on a hot day.
15) Do you like vegetables?
16) Mother has got a terrible headache today.
17) She is a very nice woman but her sons are bad boys.
18) My friend usually goes to the Alps in spring by plane .
19) Look at the woman . She is the neighbour l told you about.
20) I had my holiday in the northern Italy last year but I`m going to cross the Atlantic ocean and visit the USA next year.
2) We (are/were) happy to see John.
3) Mary always (does) a lot of mistakes in her tests.
4) Jack (is) very talented, he ( writes) very interesting stories.
1) Я играл на гитаре, когда я был ребенком.
2) Мы (были) рады видеть Джона.
3 Мария всегда делает много ошибок в тестах.
4) Джек очень талантлив, он пишет очень интересные истории.
1) He goes to… school every day.
2) I like tea with… lemon.
3) My mother gets up… early in the… morning.
4) They met the delegation at… the station.