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24 tháng 1 2018

1.The glass is broken into small pieces.

2.Then the glass is washed with a detergent liquid.

3.The mixture is melted until it becomes a liquid.

4.A long pipe is used to dip the mixture into the liquid and then the liquid is blown into intended shapes.

A long pipe is used. The mixture is dipped into the liquid. Then the liquid is blown into intended shapes.

12 tháng 2 2017

First, break the glass into small pieces. Then wash the glass with a detergent liquid. Next, mix the glass pieces completely.Dry them with certain specific chemicals. After that, melt the mixture until it becomes a liquid. Finally, use a long pipe, dip it into the liquid , then blow the liquid into intended shapes.

12 tháng 2 2017

II. Complete the recycling instructions. Use the verbs in the box.

dip blow wash mix dry break use melt

First, (1) broken the glass into small pieces. Then (2) wash the glass with a detergent liquid. Next, (3) mix the glass pieces completely. (4) Dry them with certain specific chemicals. After that, (5) melt the mixture until it become the liquid. Finally, (6) use a long pipe, (7) dip it into the liquid, then (8) blow the liquid intended shapes.

Rearrange these sentences in the correct order to have meaningful instructions. A. How to recycle glass. 1.) Then wash the glass with a detergent liquid. 2.) Dry the glass pieces completely. 3.) Melt the mixture unitl it becomes a liquid. 4.) Break the glass into small pieces. 5.) Use a long pipe, put it into the liquid, then blow the liquid into intended shapes. 6.) Mix them with certain specific chemicals. B. How to recycle paper. 1.) Put the mashed paper into another bucket and add...
Đọc tiếp

Rearrange these sentences in the correct order to have meaningful instructions.

A. How to recycle glass.

1.) Then wash the glass with a detergent liquid.

2.) Dry the glass pieces completely.

3.) Melt the mixture unitl it becomes a liquid.

4.) Break the glass into small pieces.

5.) Use a long pipe, put it into the liquid, then blow the liquid into intended shapes.

6.) Mix them with certain specific chemicals.

B. How to recycle paper.

1.) Put the mashed paper into another bucket and add an equal volume of water . Mix the paper and the water together.

2.) Use a wooden spoon to mash the paper . Plece some wire net in the mixture and liftit out.

3.) Wait about 5 minutes. Take the net off the cloth

4.) soak old paper in a bucket of water overnight.

5.) Wrap some heavy books in plastic bag and place them on the cloth. Take the books out of the cloth and take the paper out to dry in the sunlight.

6.) Put the net on the cloth . Press the net down on the cloth.

2
28 tháng 8 2018

Rearrange these sentences in the correct order to have meaningful instructions.

A. How to recycle glass.

1.) Then wash the glass with a detergent liquid.

2.) Dry the glass pieces completely.

3.) Melt the mixture unitl it becomes a liquid.

4.) Break the glass into small pieces.

5.) Use a long pipe, put it into the liquid, then blow the liquid into intended shapes.

6.) Mix them with certain specific chemicals.

4-1-2-3-6-5

B. How to recycle paper.

1.) Put the mashed paper into another bucket and add an equal volume of water . Mix the paper and the water together.

2.) Use a wooden spoon to mash the paper . Plece some wire net in the mixture and liftit out.

3.) Wait about 5 minutes. Take the net off the cloth

4.) soak old paper in a bucket of water overnight.

5.) Wrap some heavy books in plastic bag and place them on the cloth. Take the books out of the cloth and take the paper out to dry in the sunlight.

6.) Put the net on the cloth . Press the net down on the cloth.

4-2-1-3-5-6

7 tháng 3 2020

Rearrange these sentences in the correct order to have meaningful instructions.

A. How to recycle glass.

1.) Then wash the glass with a detergent liquid.

2.) Dry the glass pieces completely.

3.) Melt the mixture unitl it becomes a liquid.

4.) Break the glass into small pieces.

5.) Use a long pipe, put it into the liquid, then blow the liquid into intended shapes.

6.) Mix them with certain specific chemicals.

4-1-2-3-6-5

B. How to recycle paper.

1.) Put the mashed paper into another bucket and add an equal volume of water . Mix the paper and the water together.

2.) Use a wooden spoon to mash the paper . Plece some wire net in the mixture and liftit out.

3.) Wait about 5 minutes. Take the net off the cloth

4.) soak old paper in a bucket of water overnight.

5.) Wrap some heavy books in plastic bag and place them on the cloth. Take the books out of the cloth and take the paper out to dry in the sunlight.

6.) Put the net on the cloth . Press the net down on the

27 tháng 6 2017

Turn these sentences into passive voice

1,they break the glass into small pieces

-->the glass is broken into small pieces

2,then they wash the glass with a detergent liquid

-->then the glass is washes with a detergent liquid

3,they dry the glass pieces completely

-->the glass pieces are dried completely

4,they mix the glass pieces with certain specific chemical

-->the glass pieces are mixed with certain specific chemical

5,people use milk for making butter and cheese

-->milk is used for making butter and cheese

6,they make a lot of beautiful toys from recycled plastic

-->a lot of beautiful toys are made from recycled plastic

7,the workers clean the streets every day

--> the streets are cleaned by the workers every day

1 tháng 4 2018

Change the sentences into the passive voive:

1. They break the glass into small pieces

=> The glass is broken into small pieces.

2. They wash the glass with a detergent liquid

=> The glass is washed with a detergent liquid.

3. They dry the glass pieces completely

=> The glass pieces are dried completely.

4. People mix them with certain specific chemicals

=> They are mixed with certain specific chemicals.

5. They melt the mixture until it becomes a liquid

=> The mixture is melted until it becomes a liquid.

6. John will collect me at the airport

=> I will be collected at the airport by John.

7. He will play football all over the world

=> Football will be played all over the world.

8. We must pay this bill at once

=> This bill must be paid at once.

9. Lan can speak French

=> French can be spoken by Lan.

10. People speak English all over the world

=> English is spoken all over the world.

1 tháng 10 2019

=(1+4+42) +(43+44+45)+....+(42017+42018+42019)

=(1+4+42)+43(1+4+42)+.....+42017(1+4+42)

=(1+4+42)(1+43+46+....+42017)

=(1+4+16)(1+43+46+.....+42017)

=21(1+43+46+...+42017

Vậy 21(1+43+46+.....+42017) chia hết cho 21

2 tháng 10 2019

\(1+4+4^2+4^3+4^4+....+4^{2019}\)

\(=\left(1+4+4^2\right)+\left(4^3+4^4+4^5\right)+......+\left(4^{2017}+4^{2018}+4^{2019}\right)\)

\(=\left(1+4+4^2\right)+4^3\left(1+4+4^2\right)+.....+4^{2017}\left(1+4+4^2\right)\)

\(=\left(1+4+4^2\right)\left(1+4^3+.....+4^{2017}\right)\)

\(=21\left(1+4^3+....+4^{2017}\right)\)

Mà \(21⋮21\Rightarrow21\left(1+4^3+.....+4^{2017}\right)⋮21\)

Vậy biểu thức trên chia hết cho 21(đpcm)

31 tháng 3 2021

1 the  glass is washed with a detergent liquid

2 tire should be recycled to make pipes and floor covering

3 was paper used to make these toys

31 tháng 3 2021

1.The wash the glass with a detergent liquid.

=> The glass was washed with a detergent liquid

 2.People can recycle tirew to make pipes and floor coverings.

=> Ties can be recycled to make pipes and floor coverings

 3.Did they use paper to make these toy?

=> Was paper used to make these toy?

12 tháng 4 2017

Đáp án: D

17 tháng 3 2018

Đáp án: D

2 tháng 7 2019

Đáp án: A