Номер 3, страница 89 - гдз по английскому языку 9 класс (starlight) учебник Баранова, Дули

Module 5. Breakthroughs. 5a Science - номер 3, страница 89.

Условие 2019-2022.

3 Read the text again and for questions 1-6 choose the correct answer 1, 2, 3 or 4. Give reasons for your answers.

1 In the first paragraph, the writer says that the nano-spider

1 is much thicker than a human hair.

2 cannot be seen under a microscope.

3 was invented by an individual scientist.

4 is an extremely small machine.

2 Why does the writer suggest nano-spiders can be classified as robots?

1 because they have the features of a robot

2 because they can walk

3 because they are built with computer chips

4 because they are microscopic devices

3 What does 'this' refer to in line 29?

1 the number of steps DNA walkers can manage

2 the walking distance a DNA walker can do

3 the length of the DNA walkers

4 the time each step takes for a DNA walker

4 What do we learn about nano-spiders in the fifth paragraph?

1 They could protect our bodies from disease in future.

2 They are already being used to fight cancer.

3 They have been used for various medical purposes in the past.

4 They have not actually been invented yet.

5 What does the writer say about arguments against the use of nanotechnology?

1 People are concerned that it is used to build computer parts.

2 People are concerned that nano-products are not tested before they are sold.

3 There are concerns about whether the industry has strict rules for safety.

4 There are no concerns about nanotechnology in clothing and medicine.

6 All in all, the writer presents nanobots as devices which

1 we should be afraid of.

2 have already been in use for many years.

3 may be very useful in the future.

4 are mainly useful in industry.

Условие 2023-2027.

3 Read the text again and for questions 1-6 choose the correct answer 1, 2, 3 or 4. Give reasons for your answers.

1 In the first paragraph, the writer says that the nano-spider

1 is much thicker than a human hair.

2 cannot be seen under a microscope.

3 was invented by an individual scientist.

4 is an extremely small machine.

2 Why does the writer suggest nano-spiders can be classified as robots?

1 because they have the features of a robot

2 because they can walk

3 because they are built with computer chips

4 because they are microscopic devices

3 What does 'this' refer to in line 29?

1 the number of steps DNA walkers can manage

2 the walking distance a DNA walker can do

3 the length of the DNA walkers

4 the time each step takes for a DNA walker

4 What do we learn about nano-spiders in the fifth paragraph?

1 They could protect our bodies from disease in future.

2 They are already being used to fight cancer.

3 They have been used for various medical purposes in the past.

4 They have not actually been invented yet.

5 What does the writer say about arguments against the use of nanotechnology?

1 People are concerned that it is used to build computer parts.

2 People are concerned that nano-products are not tested before they are sold.

3 There are concerns about whether the industry has strict rules for safety.

4 There are no concerns about nanotechnology in clothing and medicine.

6 All in all, the writer presents nanobots as devices which

1 we should be afraid of.

2 have already been in use for many years.

3 may be very useful in the future.

4 are mainly useful in industry.

Решение 2023-2027.