4. Complete the sentences using the correct variant: 1. D.c. is a current that a) changes its direction of flow.
b) flows in one direction.
2. A.c. flows provided
a) a direct voltage source is applied.
b) an alternating voltage source is applied.
3. In an alternating cur-
rent circuit
I
a) current flows in one direction 60 times per
second
b) current flows in one direction 60 times and in
the other direction 60 times per second.

a) can be changed into d.c.
b) cannot be changed into d.c.
4. A.C.​

Peter gives the mouse his three coins because...

b) people will give him some bread to eat.

2. Выбери правильный ответ на вопрос.

1) Why is Mary sad?

a) She can't find her ring.

2) What does Mary's father give Peter?

b) He gives Peter a lot of coins.

3. True or False.

a) On a cloudy and windy day Peter meets a mouse.=True

b) So Peter gives the mouse some bread to eat.=False.

c) Mary can't find her nice ring in the house.=True

d) The mouse finds the ring in the kitchen.=True

4. Пронумеруй предложения в соответствии с прочитанной сказкой.

2) "People will give me some bread to eat."

5)Peter gives the mouse a lot of presents for her children.

3) "I'll give a lot of coins to the man who will find Mary's ring."

4) Peter asks the mouse to help him. 

1) "Give me your coins, please!" 

Peter gives the mouse his three coins because...

b) people will give him some bread to eat.

2. Выбери правильный ответ на вопрос.

1) Why is Mary sad?

a) She can't find her ring.

2) What does Mary's father give Peter?

b) He gives Peter a lot of coins.

3. True or False.

a) On a cloudy and windy day Peter meets a mouse.=True

b) So Peter gives the mouse some bread to eat.=False.

c) Mary can't find her nice ring in the house.=True

d) The mouse finds the ring in the kitchen.=True

4. Пронумеруй предложения в соответствии с прочитанной сказкой.

2) "People will give me some bread to eat."

5)Peter gives the mouse a lot of presents for her children.

3) "I'll give a lot of coins to the man who will find Mary's ring."

4) Peter asks the mouse to help him. 

1) "Give me your coins, please!"