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1. заполните пропуски подходящими словами. war, homeless, car crash, strike, pollution, earthquakes, snowstorms 1) cars make air worse in towns. 2) their wages were very low so the workers went on 3) my great-grandfather died in the first world 4) jack had a last year but fortunately no one was hurt. 5) japan often has and siberia often has 6) when people are they sometimes have to sleep on the streets. 2. раскройте скобки, поставив глагол в нужную форму. 1) if i had had more time, i (to change) some money. 2) she (to be) a singer if she hadn’t become an actress. 3) we (to arrive) at the airport earlier if you hadn’t forgotten your passport. 4) (to buy) those trousers if i had had enough money. 5) if they (not to accept) credit cards, we would have paid in cash. 6) i wouldn’t have got angry if you (to tell) me the truth. 7) if i had known that, i (to bring) your things. 8) we would have won if (to play) better. 9) if the picture had been for sale, i (to buy) it. 10) i would have cooked more food if i (to know) you were so hungry. 3. раскройте скобки, поставив глагол в нужную форму в зависимости от вида смешанного условия. 1) if i had taken german at school, i more job opportunities now. (have) 2) if he had been born in this country, he a visa to work here. (not need) 3) if i were rich, i that lexus we saw last week. (buy) 4) if martin spoke italian, he this letter for you. (translate) 5) if they had won the lottery, they rich. (be) 6) if you didn’t have to work so much, you__ to the party last night. (go) 7) if she had signed up for the ski trip last week, she us tomorrow. (join) 8) if kate had gotten the job instead of ann, she to new york now. (move) 9) if we weren’t going on our business trip next monday, that new assignment at work. (accept) 10) if thomas hadn’t wasted all his money, he to mexico with us next week. (fly)

Английский язык

Ответы

gaydukov5706
Ну, поехали

Упр. 1
1) pollution
2) strike
3) War
4) car crash
5) earthquakes
6) homeless

Упр.2
1) would change
2) would be
3) would arrive
4) would buy
5) hadn't accepted
6) hadn't told
7) would bring
8) would buy
9) had known

Упр.3
1) would have
2) wouldn't need
3) would buy
4) would translate
5) would be
6) would go
7) would join
8) would move
9) would accept
10) would fly
Ivan500
Сначала формулы . затем формулы двойного угла sin2α=2sinαcosα cos2α=cos²α-sin²α=cos²α-(1-cos²α)=2cos²α-1⇒  2cos²α=1+cos2α cos2α=cos²α-sin²α=1-sin²α-sin²α=1-2sin²α⇒  2sin²α=1-cos2α а) сos75°cos105°=cos(90°-15°)·cos(90°+15°)== sin15°(-sin15°)=-sin²15°=-(1-cos30°)/2=(cos30°-1)/2= ((√3/2)-1)/2=0,25√3-0,5б) sin75°sin15°=°sin(90°-15°)sin15°=cos15° sin15°=sin30°/2=1/4=0,25в) sin105°cos15°=sin(180°-75°)cos15°=sin75°cos15°=sin(90°-15°)cos15°=cos15°cos15°=(1+cos30°)/2=(1+(√3/2))/2=0,5 +0,25√3 2 способ формулы cosα·cosβ=0,5cos(α-β)+0,5cos(α+β) sinα·sinβ=0,5cos(α-β)-0,5cos(α+β) sinα·cosβ=0,5sin(α+β)+0,5sin(α-β) а) сos75°cos105°=0,5cos(75°-105°)+0,5cos(75°+105°)=0,5cos(-30°)+0,5 cos180°==0,5· √3/2+0,5·(-1)=0,25√3-0,5б) sin75°sin15°=0,5cos(75°-15°)-0,5cos(75°+15° )=0,5cos60°-0,5 cos90°=0,5·0,5=0,25в) sin105°cos15°=0,5sin(105°+15°)+0,5sin(105°-15°)= =0,5sin120°+0,5sin90°==0,5 sin(180°-60°)+0,5·1=0,5 sin 60°+0,5=0,25√3+0,5
Белов_Лукина1339

а) предложения, в которых ing-форма является подлежащим

The driving wheel of the machine is broken.

These happenings are remarkable.

Travelling is a pleasant way of improving one’s education.

Asking him for help is useless.

в) предложения, в которых ing-форма является обстоятельством

Every trust arranges for the marketing of its products.

It is no use crying over spilt milk.

We have every chance of passing our examinations well.

You don’t know what you miss, not having the desire to listen to good music.

с) предложения, в которых ing-форма является частью сказуемого.

Happily we escaped being delayed on our way.

Having been knocked down by a passing car, the poor man was at once taken to hospital.

I was told of a great friendship existing between two captains.

Driving in a motor car, we passed many villages.

Объяснение:

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1. заполните пропуски подходящими словами. war, homeless, car crash, strike, pollution, earthquakes, snowstorms 1) cars make air worse in towns. 2) their wages were very low so the workers went on 3) my great-grandfather died in the first world 4) jack had a last year but fortunately no one was hurt. 5) japan often has and siberia often has 6) when people are they sometimes have to sleep on the streets. 2. раскройте скобки, поставив глагол в нужную форму. 1) if i had had more time, i (to change) some money. 2) she (to be) a singer if she hadn’t become an actress. 3) we (to arrive) at the airport earlier if you hadn’t forgotten your passport. 4) (to buy) those trousers if i had had enough money. 5) if they (not to accept) credit cards, we would have paid in cash. 6) i wouldn’t have got angry if you (to tell) me the truth. 7) if i had known that, i (to bring) your things. 8) we would have won if (to play) better. 9) if the picture had been for sale, i (to buy) it. 10) i would have cooked more food if i (to know) you were so hungry. 3. раскройте скобки, поставив глагол в нужную форму в зависимости от вида смешанного условия. 1) if i had taken german at school, i more job opportunities now. (have) 2) if he had been born in this country, he a visa to work here. (not need) 3) if i were rich, i that lexus we saw last week. (buy) 4) if martin spoke italian, he this letter for you. (translate) 5) if they had won the lottery, they rich. (be) 6) if you didn’t have to work so much, you__ to the party last night. (go) 7) if she had signed up for the ski trip last week, she us tomorrow. (join) 8) if kate had gotten the job instead of ann, she to new york now. (move) 9) if we weren’t going on our business trip next monday, that new assignment at work. (accept) 10) if thomas hadn’t wasted all his money, he to mexico with us next week. (fly)
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