51. What subject is the man teaching? (A) Physics B) Chemistry C) Biology D) Astronomy
52. Does the teacher use different methods of teaching
during the lesson?
A) Yes, he do
B) No, he does
C) Yes, he does
D) No, he don't
53. What is the teacher doing?
A) Singing B) Conducting an experiment
C) Writing D) Washing the flasks
54. What does the teacher not use to protect himself
from accidents?
A) Gloves B) Goggles C) A robot D) A lab coat
55. What are there on the shelves and desks?
A) Vases B) Gadgets C) Test tubes and flasks D) Journals
56. What (unusual) clothes is the teacher wearing?
A) A sweater B) A jacket C) A lab coat D) A hat
57. How many pupils are willing to answer?
A) One B) Three C) All pupils D) Nobody
58. How many people wearing glasses do you see?
A) One B) Two C) Three D) Four
59. You don't see this/these on the walls.
A) A blackboard B) A clock C) Maps D) The periodic table
60. How many chemical elements are written above the
blackboard?
A) One B) Three C) Five D) Seven
Level IV​

Прочитайте следующие шутки четырьмя группами. Затем, обходя класс, пересказывайте друг другу свои шутки в косвенной речи. Во время пересказа друг другу со сменой времен.

а)Однажды соседи спросили Ходжу:"Мы слышали какой-то шум в твоём доме ночью. Что там происходило?" Ходжа сказал им: "Это мой плащ упал с лестницы". Они ответили: "Но Ходжа, разве плащ не сделан из ткани? От него не могло быть столько шума!" Ходжа нетерпеливо ответил:"Ну, так я был в нём!"

b)Однажды Ходжа вошёл в чайхану и сказал:"Луна полезнее, чем солнце"."Почему Ходжа?"-они спросили. "Потому что мы больше нуждаемся в свете ночью, когда темно, чем днём, когда светло".

Occurred in the recent man-made and natural disasters was seriously frightened scientists. Began confirmed predictions made 5 years ago! The world has very little time to take decisive action against global warming.
We must prevent a climate catastrophe. If we allow an increase in the average temperature of the planet by the year 2050 more than 2 degrees - it's over pretty badly. The planet will be flooded coastal cities and disappear half of species that inhabit the Earth, droughts will last longer, there will be new and powerful hurricanes.
We all need to take steps to reduce carbon emissions, and not allow the average temperature to rise more than one degree Celsius. We left you a maximum of ten years, during which we had to deal with changes in climate.
If countries continue to "suppress" the problem, the average world temperature will rise by 2-3 degrees. And believe me, after that we will have a completely different planet.
Global warming - it's a bomb with delayed action. And the bomb timer long on.