总体国家安全观下的中国特色国家安全体系的要点是以人民的安全为宗旨,政治安全为根本,经济安全为基础,军事、文化、社会安全为保障,国际安全为依托。()
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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】
从学习者的角度来看,大智若愚指的是简单一些的生活。()
中国必须走中国特色国家安全道路,构建中国特色国家安全体系。()