Скорость течения реки 2 км/ час.Какова собственная скорость катера, если он проходит по - №24648418

Скорость течения реки 2 км/ час.Какова собственная скорость катера, если он проходит по озеру 60 км за то же время, какое тратит на путь в 66 км по течению реки?
- Предмет:
  Алгебра
- Автор:
  elisa7
- 6 лет назад

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It all started as I made my way home from work. We (A1) ... on a top secret computer programme for over a year, and everyone (A2) ... pretty nervous about finishing on time, so it was good to get away from the office. It (A3) ... and it seemed like everyone was travelling home at the same time, anxious to avoid getting wet. I went down into the underground station and (A4) ... for the train when I saw her at the end of the platform. Her red leather jacket reminded me of something I (A5) ... in a film, although I couldn't remember when. As I watched, she opened her handbag and took out what looked like a hand-held computer. She (A6)... something on the screen, and then looked in my direction. Suddenly, my mobile phone made a sound that meant I had a text message. Frowning, I pressed a key and the message appeared. 'Your daughter (A7) .... We know you (A8) ... the programme. Follow the woman in red.' I looked up just as she was disappearing around the corner. I raced after her.
А1.

1) have been working

2) were worked

3) have worked

4) had been working

А2.

1) gets

2) was getting

3) will get

4) has got

А3.

1) has been raining

2) had rained

3) was raining

4) rains

А4.

1) wait

2) had waited

3) was waited

4) was waiting

А5.

1) see

2) have seen

3) had seen

4) had been seen

А6.

1) checked

2) had been checked

3) was checking

4) was checked

А7.

1) has kidnapped

2) was kidnapping

3) had kidnapped

4) has been kidnapped

А8.

1) had completed

2) have completed

3) were completing

4) complete
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