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Почему снегозадержание, проводимое на полях не только хорошее средство накопления влаги в почве,но и средство защиты от вымерзания озимых посевов?
Раскаленный уголь, помещенный на металлическую пластинку, гаснет быстро, а на деревянной доске продолжает долго тлеть. Почему?
Почему при густой облачности ночью роса не выпадает?

from, in, with, between, of, at, to, on
1)The teachers _______ the school are very young.
2)Dan goes _______ a secondary school.
3)He`ll probably pass ______ good marks.
4)Betty is a teacher ______ English.
5)Her pupils are _________ 12 and 18.
6)She is very strict _______ them.

А (2;3) В (-1;-1) С (3;-4)
Указание: Сравните длины сторон.

а) азотную кислоту
б) ортофосфорную кислоту
в) хлороводородную кислоту
Напишите уравнение реакции.

Найдите наибольшее или наименьшее значения квадратного трёхчлена.
1)икс квадрат минус 2 икс плюс 4
2)минус икс квадрат плюс четыре икс плюс два

Один из внешних углов прямоугольного треугольника равен 120 градусам. Найдите большую и меньшую стороны треугольника, если их сумма равна 24 см.

Два резистора, сопротивление которых 20 и 30 Ом, включены в электрическую цепь напряжением 24 В. Какова сила тока в этой цепи при последовательном и параллельном соединении резисторов?

1)If people protect nature ...
2)If he is not well tomorrow ...
3)If she comes here now ...
4)You will miss the bus ...
5)If we destroy the Amazon forest
6)Your plants won*t grow well ...

a. ..he will not deliver his lectures.
b. ..if you don*t water them.
c. ..life will be happier.
d. ..I*ll tell her something.
e. ..if you don*t hurry.
f. ..life will be more difficult

1)If people protect nature ...
2)If he is not well tomorrow ...
3)If she comes here now ...
4)You will miss the bus ...
5)If we destroy the Amazon forest
6)Your plants won*t grow well ...

Қазақстанда "Егемен Қазақстан",...газеттері шығады.
Балаларға арналған ...т. б. газет-журналдарды білемін.
Мен ...газетін, ..журналын жиі оқып тұрамын.
Ауа райы жайында мәліметті ...газетінен білуге болады.

1)No one has ever beaten my brother at tennis.
2)People used the Tower of London as a prison.
3)They punished the boy for something he did not do.
4)They gave y little sister a ticket too.
5)People will forget it soon.
6)The author will write the book in June.
7)Nobody heard the song.
8)I shall give him the book.
9)We sent for the doctor.
10)The doctor prescribed some medicines.
11)Nobody saw the man.
12)He can not do anything.
13)You must write the answer at once.
14)The doctor was invited to the patient.
15)They bandaged his broken leg.
16)Mike is repairing a TV set now.

1)__________ can*t do your homework ask for help.
2)I*ll pay money back _______ I se you again.
3)I*ll come to bed __________ this TV programme ends.
4)_________anyone phones me tell them I am out.
5)_________I play chess with Aidar he always wins.
6)Come on!___________we hurry we*ll catch the bus.

For, befor, into, of in, with.
1)This text introduces you______the problem of environment.
2)Now we also have______us the same problem.
3)Natural resources are used______purposes of home industry and agriculture.
4)The wide use_______ natural resources upsets the biological balance.
5)The people are faced_______the problem_______ the pollution.
6)We all should try to do our best________ order to mske air, forests and soil more cleaner than before.