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year. /
Dictation 31 Oxygen 氧气（157 words）
Oxygen, that thing you breathe, / that essential gas that keeps the world going round / is
really more important than you give it credit for. / Oxygen is what essentially and literally keeps
you alive and keeps you going. / Consider this: people can survive for a few days without food
and water, / but do you think a person can survive even a few minutes without oxygen? / No, the
brain would die and the heart would stop pumping immediately. / This is how essential oxygen is
to the human body. / It is used to convert fats and proteins from the food we consume into heat
and energy / for the body and its normal functioning. / Oxygen is essential for the production of
living cells / and for respiration of these cells as well. / Oxygen is also used in removing toxic
waste from the body. / Quite simply put, the more the oxygen there is in the body, / the more energetic the body will be. /
Dictation 32 Purpose of Society 社会的作用（156 words）
One of the primary purposes of society / is the formation of an organized group of individuals, /
who can support each other in various ways. / It is in those difficult times that you realize the
importance of being a part of society. / It is the members of your social group / who come forward
to render all the help you need. / The support given by society can be of the physical, emotional,
financial or medical form. /
A society is characterized by social networks. / They form an integral part of society. / Social
networks are defined as the maps of relationships between people. / Relationships give rise to