Вопрос школьника по предмету Математика
Вася и Петя читают один и тот же рассказ. Вася прочитывает за 1час 50 страниц. А Петя 60 страниц. Они начали читать одновремено а Петя закончил читать на 10мин раньше чем вася.сколько занимает страницрассказ?
Ответ учителя по предмету Математика
Вася читает 50/60=5/6 страницы в минуту
Петя читает 60/60=1 страницу в минуту
Пусть х затраченное время на чтение рассказа у Васи,
тогда (х-10) время Пети
получаем х* 5/6 = (х-10)*1
5х=6х-60
х=60 это время которое затратил Вася на чтение
60-10=50 Время Пети
50 страниц было в рассказе
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Read the text and choose the right item to complete the statements after it.
The Best and Worst Kid’s Shows
The average American kid watches 23 hours of TV each week.No wonder parents sometimes feel like pushing TV out a window. How do You know which shows will enchant your children and which will only hypnotise them? Who has time to sit down and screen them all? Relax; we’re here to help.
For this special Parents’ Guide, we selected a panel of experts — TV critics, researchers, child-development specialists to pick the best and worst of everything currently on TV.
Of course, you will always be the top expert when it comes to making your child TV-smart.There is one piece of advice: watching together and talking about what’s real and what’s make-believe is the best way to raise viewers who will grow up to make wise choices — even when they’re home alone.
Like the children who watch them, a new generation of kids’ shows need your attention. And with cable television, parents are constantly confronting new choices. The good news: some of the new programmes sound very promising.
A number of new programmes feature groups of kids who are all about the same age. Through their encounters, young viewers pick up life lessons.
Cartoons are undergoing a new trend, too. Several series are adapting well-known literary material to animated format. «Shakespeare — The Animated Tales» translates the dramatist’s plays into half-hour cartoons. Such stars as Bette Midler and Ringo Starr provide voices for animated versions of «Bed-time Stories».
Even educational shows explore new approaches. Disney’s «Adventures in Wonderland» places language lessons within the context of Lewis Carroll’s story .The programme «Beyond Belief» takes the young viewers around the world in search of the unbelievable but true.
Kids are also going to get their own news show. Linda Ellerbee hosts :Nick News,» a magazine spotlighting current events.
1) The text is written for ______
a) children
b) their parents
c) teacher
d) children and their parents
2) The critics are going to write about ______
a) good TV shows for kids
b) good TV shows for kids and grown-ups
c) good and bad TV shows for kids
d) good and bad TV shows for kids and grown-ups
3) As a result of their parents’ help children should learn ______
a) a lot of new things
b) to undrestand what is real and what is make-believe
c) what to do when they home alone
d) to choose the best programmes
4) Some new programmes ______
a) are likely to be very good
b) have successful sound tracks
c) are for children of the same age
d) will be broadcast on cable television