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Đề thi trắc nghiệm bằng A -0080
1) Because their properties differ from those of their constituents,
proper alloys can great increase the corrosion resistance of a
metal.
a) A
b) B
c) C
d) D
2) The ability to retain a mental record of earlier experiences are
referred to as �memory�
a) A
b) B
c) C
d) D
3) The aging process is not entirely determined by heredity, but is
influenced by different environmental and social circumstances as
good
a) A
b) B
c) C
d) D
4) The waterwheel is a mechanism designed to harness energy
from a source instead than animals.
a) A
b) B
c) C
d) D