“Semantics is the scientific study of meaning” is a .

Chemistry is the study of the behavior. and

composition of matter. All foods are made up of

chemical substance which undergoes chemical

changes when cooking in an oven or digested 【1】______

within the body. The cooking of meat and

vegetables induce chemical changes, making 【2】______

it more delicious; similarly the leavening action of【3】______

baking powder is a straightforward chemical change,

as is the conversion of starch into sweet sugars

by digestion.

Cookery is a science requiring for knowledge 【4】______

of chemistry. This is evident from the variety of

cooking products and food additives available

as cooking oils, fats, colorings, sweeteners,

tenderizers, flavorings, screaming agents, preservatives,

etc. Each is carefully prepared before 【5】______

painstaking research.

It is therefore essential for trained cookers to 【6】______

understand chemical science in order to appreciate

the chemistry nature of foods and the changes 【7】______

achieving on cooking. Homeworkers should also 【8】______

know cleansing agents and textiles used in the 【9】______

home and how the latter responds to the effects 【10】______

of heat, light, water, and chemical cleansing agents.

【M1】

The study of how sounds are put together and used to convey meaning in communication is

A．general linguistics.

B．phonology.

C．semantics.

D．morphology.

According to this passage, ______.

A．English is a sexist language

B．only in the scientific world is the role of women increasing rapidly

C．women are making significant contributions to eliminating the inadequacy of our language

D．male-nouns or pronouns should not be used to refer to scientists

Which of the following is the most appropriate title' for this article?

A．Voltaire and the Apple Story.

B．Voltaire and Newton.

C．The Controversy on the Apple Story.

D．Newton and the Apple Story.