Заполните пропуски с предлогами ниже. Переведите предложения.
Fill in the blanks with prepositions below. Translate the sentences.
1. A great majority... the motors used aboard ships are designed to operate ... a-c. 2. The rotor cur¬rents are supplied ... electromagnetic induction. 3. These emfs'currents establish a rotating magnetic field ... the air gap. 4. The induction motor derives its name ... the fact that mutual induction takes place ... the stator & the rotor... operating conditions. 5 standstill a comparatively high value ... current is taken... the line. 6. Many shops are equipped ... automatic machinery 7. The early experiments were carried out-several scientists. 8. We can express these relationships... the following formula
a) across b) between c) atd) from e) with f) in terms of g) by n)of i) under j) on.
Tina goes jogging twice a week.
He is not working at the moment.
At the moment he is surfing the net.
Are the children sleeping? Yes,they are.
Does your father work hard? Yes, he does.
Do you have a lot of free time? No,I don`t.
Are you doing your homework? Yes,I am.
Is your mother cooking? No,she isn`t.
Do your friends like sport? Yes,they do.
Does your best friend live far from you? No,he doesn`t.
Are your parents watching TV? No,they aren`t.
Do you travel often? Yes,I do.
Does your sister help around the house? No,she doesn`t.