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 requirechemistry. 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 bodyresults in great strides in modem medicine. (9) ______Fortunately, most of us do not need a profound knowledge of chemistry, but someunderstanding of chemistry should be a part of the (10) ______ of every educated person. (10) ______
Questions 11 to 18 are based on the conversation you have just heard.
A. He wants it cooked sufficiently.
B. He wants it cooked all the way through.
C. He wants it not sufficiently cooked.
D. He wants it cooked to a solid consistency.