Вжелезной руде содержатся железо и примеси в отношении  5  :   4.  определи, сколько тонн железа получится  из  423  т руды.​

упражнение 29

Объяснение:

Insert suitable articles where necessary.

1. A: Where did you have lunch?

B: We went to A restaurant.

2. A: Did you have A nice holiday?

B: Yes, it was THE best holiday I’ve ever had.

3. A: Where’s A nearest shop?

B: There’s one at THE end of this street.

4. A: Do you often listen to radio?

B: No. In fact I haven’t got A radio.

5. A: Would YOU like to travel in space?

B: Yes, I’d love to go to THE moon.

6. A: Do you go to cinema very often?

B: No, not very often. But I watch a lot of films on television.

7. A: It was A nice day yesterday, wasn’t it?

B: Yes, it was beautiful. We went for a walk by THE sea.

8. A: What did you have for breakfast this morning?

B: Nothing. I never eat breakfast.

9. A: can you tell me where Room 25 is, please?

B: It’s on THE second floor.

10. A: We spent all our money because we stayed at THE most expensive hotel in town.

B: Why didn’t you stay at A cheaper hotel?

. Translate the following sentences, paying attention to the combination of some of, any of, none of, each of:

1. We were expecting that someone of your engineers will begin testing a new model immediately. 2. If none of our reclaimers will not detect any defects in the design of the machine, we will take the first batch today. 3. Will there be any of our engineering office to take part in the trial of new equipment? 4. We have to inform the seller that some of the engines that they sent the contract number 10 did not meet standards. 5. We would like to have your acceptors pro¬veli preliminary tests of the party machines. 6. You have already eliminated any defects that we found during the test? 7. None of us did not know whether the chief engineer agreed with representatives of the pre-test engines factory. 8. None of our engineers did not know what caused the delay in delivery of the goods.