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​

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