Предмет: Физика, автор: orealfiya

Катер проходит расстояние между двумя пунктами на реке вниз по течению за 600 секунд, вверх за 900 секунд. какое время потребуется катеру на прохождение
этого расстояния в стоячей воде? 1)700 секунд 2)720 секунд 3)750 секунд 4)780 секунд

Ответы

Автор ответа: Лось20000
0
600+900=1500 1500/2=750 Ответ 750
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Form 5th
I Прочитай предложения, определи время в каждом.
1. His uncle drives a car very fast.
2. She is swimming now.
3. He lives in Cheboksary.
4. My parents are running at the moment.
5. He doesn’t call on Saturdays.
II Закончи предложение, выбрав глагол в Present Continuous или в Present Simple.
1) They…. every week.
a) swim b) are swimming c) is swimming
2) Tim … right now.
a) watch TV b) am watching TV c) is watching TV
3) Kate never … in the afternoon.
a) is drawing b) draws c) are drawing
4) Masha and Katya … now.
a) play football b) are playing football c) are plaiing
5) The boys … at the moment.
a) write b) are writing c) is writing
6) The students … the classroom every Thursday.
a) are cleaning b) clean c) cleans
7) Grandma … now.
a) is sleeping b) sleeps c) are sleeping
8) Liz … every evening.
a) is running. b) runs c) is running
III Раскрой скобки, поставь глаголы в Present Simple или Present Continuous.
1. Excuse me, … you … (know) where the shop is?
2. Nick … (want) to eat a cake.
3. … you … (go) to travel to the Black Sea next summer?
4. Where’s Kate? She … (listen) to CDs in her room.
5. How often … you …. (go) skiing in the park?
6. My grandfather … (read) news very often.
7. What time … your friend … (start) her job in the morning?
8. We … (go) to the swimming-pool twice a week.
9. Nil … never … (drive) to work. He usually catches the taxi.
10. I … (do) my homework in the room.
IV Найди и исправь ошибки. Запиши предложения без ошибок.
1. I am listen to you now.
2. Little Mob don’t like to eat.
3. Lena watches TV at the moment.
4. He is visiting her Granny now ?
5. Are you play football?
V Раскрой скобки, поставь глаголы в Present Simple или Present Continuous.
1) Dan sometimes…comics. (to read)
2) Students never…TV in the morning. (to watch)
3) Look! Granny…in the bathroom. (to sing)
4) My brother usually…in the garden. (to help)
5) My dad…dinner now. (to make)
6) I often…the bathroom. (to clean)
7) Look! The girls…home. (to come)
8) Every day his aunt…for a walk. (to go)

9) I …with my parents at the moment. (to chat)