40. I shall work in …
A) science
B) economics
C)mining
D) building
E) energetics
41. To … understand any material-.
A) non
B)mis
C) dis
D) un
E) anti
42. They are good …
A) workman
B) workmans
C)workmen
D) workmens
E) workman’s
43. This is not an international word.
A) excavator
B) practice
C) student
D) qualification
E)quarry
44. This mine is … than ours.
A) larger
B) largers
C) the larger
D) the largest
E) largest
45. The cause … the fire is still unknown.
A) for
B) with
C) by
D) at
E)of
46. Warning = …
A)caution
B) danger
C) fire
D) safety
E) accident
47. Have you seen … your shift - boss?
A) any
B) write
C) anyone
D)anywhere
E) somewhere
48. The excavators … made of different materials.
A) Is
B) was
C)are
D) were
E) am
49. We … mining every week.
A) studied
B) to study
C) studies
D)study
E) was studied
50. Падающая вода- ...
A)falling rock
B) tremendous pressure
C) scoop shovel
D) high rock
E) measures
