Катер проходит по течению реки за 3 часа 63 км, а против течения за 2 часа 30 км. Найдите собственную скорость катера и скорость течения реки

Предмет: Английский язык, автор: dima232322323

1 We moved to the city because we needed some ....... and quiet. A fresh B peace C sleep 2 The detective ....... a mysterious letter in the cupboard. A is finding B found C was finding 3 Kathy was doing her homework while Suzie ………… A was cooking B cooks C is cooking 4 The police officer asked to see my ....... . A ID B surf C rate 5 I like ....... films because they usually take place in space. A adventure B drama C science-fiction 6 It’s difficult for athletes to ....... a world record during the Olympic Games. A recover B break C find 7 I don’t like the hustle and ....... of big cities. A alarm B bustle C lifestyle 8 A scorpion was found in a ....... of grapes. A glass B bouquet C bunch 9 John ......., took a shower and left for work. A was getting up B got up C get up 10 ....... when you rang the doorbell? A Were they sleeping B Did they sleep C Are they sleeping 11. I was ....... to see that the puppy found a home. A happy B shocked C interested 12 We ....... the dog for a walk every morning. A are taking B take C taking 13 My classmates were writing an essay when I ....... in the class. A was walking B walk C walked 14 I bought some really nice ....... for my MP3 player. A laptops B headphones C submarines 15 Mary and Tom ....... their house at 8am yesterday. A left B are leaving C leave 16. I like watching chat ....... when I want to relax. A reports B shows C news 17 We ....... to work when it started to rain. A walked B were walking C used to walk 18 You ....... your house unlocked when you are not home. A shouldn’t leave B should leave C left 19 Documentaries are very ....... . A educational B education C educated 20 I got a ....... camera for my birthday. A virtual B digital C mobile 21 If you press the ....... the screen will turn on. A button B dome C gadget 22 We like to hang ....... at the cafe in the afternoons. A in B over C out 23 I didn’t like the ....... of the film. It was too complicated. A plot B myth C adventure 24 I can’t go out tonight because I have to finish a(n) ....... for school. A email B text message C assignment 25 Many people ....... isolated in big cities. A sleep B sit C feel 26 When you have a pet you have to show it lots of……… A affection B family C buttons 27 At first ....... she seemed like a very friendly lady. A appearance B glance C case 28 Dad is usually ....... when he comes home from work. A tire B tired C tiring 29 The book ....... you are reading is very good. A who B why C which 30 Yesterday, I saw a great ....... on wild animals. A documentary B weather report C cartoon 31 He ....... lunch at the moment. A prepares B was preparing C is preparing 32 You ....... a point. We should work harder at this. A know B have C give 33 You’ll never ....... what happened to me yesterday. A say B guess C look 34 Tom ....... to Hawaii last month. A used to go B went C go 35 I know a lot of people who are ....... of environmental organisations. A members B winners C partners 36 He is a (n) ....... actor. A intelligent young American B young intelligent American C American intelligent young 37 Yesterday, Tom was chasing ....... a dog that took his ball. A after B out C on 38 I ....... to pay the bills last month. A didn’t remember B doesn’t remember C don’t remember 39 ....... are usually about a crime or a strange event. A Humorous stories B Biographies C Mysteries 40 In my neighbourhood, I have all the shops ....... at hand. A close B isolated C far 41 That hat really goes ....... your gloves. A on B with C in 42 They ....... their son every Sunday. A are visiting B visits C visit 43 I love ....... the Net. A sailing B skiing C surfing 44 I never read ....... in the Sunday paper. I don’t believe in them. A fashion B text messages C horoscopes 45 They had dinner ....... they finished with their work. A until B as soon as C just 46 If you are feeling tired, you ....... to bed early tonight. A should go B shouldn’t go C go 47 Look at the sky! It ....... a beautiful day. A will be B is going to be C is being 48 First she did the washing up, ....... she started her homework. A then B when C as soon as 49 To be a teacher you have to be very ....... . A curious B athletic C patient 50 I like listening to ....... because I’m very curious about other people’s lives A articles B music C gossip 51 I ....... in a hospital for the next few months. A worked B am working C work 52 If you run fast, you ....... tired. A are getting B got C get 53 The robber ran away ....... he saw the police car. A until B then C as soon as 54 Jack was ....... to see that we were preparing breakfast. A surprise B surprised C surprising

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Катер проходит по течению реки за 3 часа 63 км, а против течения за 2 часа 30 км. Найдите собственную скорость катера и скорость течения реки

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