Chemistry plays an important part in our life. The (1) ______
of a clock,
(1) ______. the clothes
we wear, and our leather shoes are all made (2) ______.
(2) ______. the water we drink is
chemically purified. The glass and (3) ______ of the mirror,
(3) ______.
the manufacturing of light bulbs, the paint and plaster on our walls
require chemistry. The cooking, digestion and assimilation of the food are
all chemical (4) ______
(4) ______.
The construction of an automobile may require many kinds of chemically
made (5) ______ (5)
______. Chemistry and its (6) ______ have helped us to live
longer.
(6) ______. The science of medicine also (7) ______
heavily upon chemistry.
(7) ______. And with (8) ______ and antiseptics, surgery
is no longer crude and limited.
(8) ______. Our
increasing knowledge of the chemical (9) ______ that take place in the human
body results in great strides in modern medicine.
(9)
______. Fortunately, most of us do not need a profound knowledge
of chemistry, but some understanding of chemistry should be a part of the
(10) ______ of every educated person.
(10) ______.