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  1. You are asking students questions about things they have done. Make questions with ever using the words in brackets.

  1. (know/physicist?) Have you ever known a famous physicist personally?

  2. (observe/phenomenon of recombination?)

  3. (miss/lectures?)

  4. (design/project?)

  5. (introduce/invention?)

  6. (take part/scientific conference?)

  1. Complete the sentences using today/this year/this month etc. + Present Perfect.

For example: There was a relatively high rate of recombination in the prototype yesterday, but it hasn’t recovered the old level today.

  1. Some centuries ago scientists didn’t have enough information about the nature of intrinsic conduction, but … .

  2. The invention of hydrogen and nuclear bombs in the XX century made people all over the world be afraid for their lives, but due to common efforts of politicians … today.

  3. After the boulder-period of B.C. era, we all observe the phenomenon of global warming, which … this century.

  4. The plant “Horizont” had a severe setback in production in the beginning of the nineties, but this decade … .

  5. In 1975 our faculty wasn’t able to prepare experts in the sphere of space development, but this year … .

  1. Read the situations and write sentences using the example.

For example:

John is working with the Internet Explorer at the moment and looks like a novice in this business.

You: Have you ever worked with Internet Explorer?

John: No, but I’ve already learnt the most important rules about this program.

  1. Ann is trying to take the temperature of the device with the help of a Centigrade thermometer. But she is using it in a wrong way.

You:

Ann:

  1. Peter starts putting on the spacesuit for working in the open space. But it seems to you, that he has forgotten some important details of the suit.

You:

Peter:

  1. Greg wants to observe the constellation of Orion, but can’t adapt the telescope.

You:

Greg:

  1. Alexandra got the task to increase the conductivity of a piece of germanium. She cooled it.

You:

Alexandra:

  1. Rewrite these sentences into Passive Voice.

  1. The German researchers have recently integrated chips with all important biometrical data in passports of the citizens.

  2. Japanese scientists have just presented a few generations of robot-humanoid in Tokyo and other technological centers of this country.

  3. The fans are furious. FIFA hasn’t introduced the technology based on chips integrated into a ball and sensors on goal gate because of wrong fixation of the results.

  4. Real lovers of gaming haven’t absolutely exchanged tetris for another game.

  5. Mobile operator Life has already opened the 3G Internet technology.

  1. Make sentences from the words in brackets using the Present Perfect Passive.

  1. I have always wanted to fly through times. (But/time/machines/not/invent/yet).

  2. We were looking for the place to see some interesting events. (Minsk-Arena/build/as a/high-technological/complex/to/hold/the/competitions/

and/concerts/of/a/world/level).

  1. Not only tests help us to obtain objective results. (This/theory/also/use/for/analyzing/the/experimental/data).

  2. Today’s mobile connection looks fantastic. (Many/different/devices/create/in/order/to/improve/the/performance/of/communications).

  3. Physicists think that Newton’s laws are the main laws of nature, but chemists have the idea that … (Mendeleev’s/periodic/law/accept/as/a/universal/law/of/nature).