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XI. Fill in the gaps using the correct word form from ex.IX. Some words are extra ones.

Читайте также:
  1. A) Check the meanings of the words and phrases with your dictionary.
  2. A) Replace the underlined words by synonyms
  3. A) Replace the underlined words by synonyms
  4. A) Replace the underlined words by synonyms
  5. A) Replace the underlined words by synonyms
  6. A) Study the vocabulary for remuneration and benefits. Match words and phrases from the left-side column with their Ukrainian equivalents.
  7. A) Study the vocabulary for work and jobs. Match words and phrases from the left-side column with their Ukrainian equivalents.
  8. A- Tessa is talking about her shopping trip. Write the missing words (A , An , The or O).
  9. A. Keywords
  10. Assignment 2. Write the definitions for the following words and word combinations

1. The ……… of new machines will take place tomorrow.

2. The natural molecular machines are difficult to …….

3. The ……... of high buildings is a time consumption process.

4. A ………... builds protein using instruction from DNA.

5. Any manufacturing process …… many kinds of equipment.

6. …….. engineered machines are used in molecular manufacturing.

 

XII. Make up one sentence. The beginning is given.

1. Manufacturing at nanoscale is very expensive. You need a lot of time and money to produce nanoscale objects.

It takes ……….

2.You can’t make a cell build what you want. Because of this reason molecular manufacturing uses artificial engineered machines.

It’s impossible to ……...

3.Al. Zettl built a motor. The motor was constructed with the help of nanotubes and electric fields.

It was electric ….. …..

 

XIII. Translate the sentences paying attention to the Passive Voice:

1. Molecular motors from cells have been immobilized on a surface.

2. Tiny pieces of metal were attached to the motors.

3. The right chemicals are added.

4. A motor has been built by A. Zettl.

5. It’s constructed by building a bearing out of nested carbon nanotubes.

6. It was hard to build.

7. The “propeller” is turned by the motors.

 

XIV. Say if the statements are true, false or not mentioned in the text:

1. There are many ways of manufacturing at the nanoscale.

2. Delicate machinery should be used every time when making nanoscale structures.

3. Ribosomes are examples of molecular machines.

4. Artificial engineered machines should be able to create different products.

5. A biological cell has unlimited possibilities of building different things.

6. High performance machines are necessary for molecular manufacturing.

7. There have been many attempts to achieve the robot-building-robot goal.

8. A. Zettl spent a lot of money on the construction of the motor.

9. It was quite easy for A.Zettl to build the motor.

 

XV. Put the sentences in the right order according to the information in the text:

1. The goal of molecular manufacturing is to build more machines as well as other products.

2. Most of molecular machines are based on biology.

3. Manufacturing at the nanoscale can be done in several ways.

4. The third way is to use very small machinery.

5. Molecular manufacturing involves the use of tiny molecular machines.

6. Another way to make nanoscale structures is to use large and very delicate machinery.

7. One way is called self-assembly.

UNIT 2

 

I. Match English words with their Russian equivalents:




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