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【多选题】
良好的咀嚼如何维护口腔健康A.
咀嚼可以刺激唾液分泌，唾液具有润滑、清洁、缓冲、消化、抗菌的作用
B.
通过咀嚼，可以锻炼唇肌肉和咀嚼肌，辅助发声
C.
咀嚼可以促进和维持牙合关系，影响颌面部的正常生长发育
D.
儿童的替牙期的咀嚼运动能消除建牙合初期少数牙的早接触或牙合干扰
E.
咀嚼在降低压力和应激反应，缓解焦虑和紧张上有一定作用，细嚼慢咽的人更有利于保持体重和减肥
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【判断题】The annual worth of an asset for one life cycle is different from that calculated over two, three, or any other number of life cycles.
A.
正确
B.
错误
【单选题】The annual worth of Utah's manufacturing is greater than ______.
A.
that of its mining and faming combines
B.
mining and farming combination
C.
that mining and farming, combined
D.
of its combination mining and farming
【单选题】The annual worth of a permanent investment can be determined from its capitalized cost by________________.
A.
Using the A/P factor for a large n value
B.
Same each period
C.
Dividing by i.
D.
Multiplying by i.
【单选题】When comparing different-life alternatives by the annual worth method, the annual worth calculated using their LCM of lives will be the same as that calculated over one________________.
A.
Two life cycles of each one
B.
Same each period
C.
Study period
D.
Life cycle only
【单选题】The annual worth of Utah’s manufacturing is greater than ______.
A.
that of its mining and farming combined
B.
mining and farming combination-Ion
C.
that mining and farming combined
D.
of its combination mining and farming
【单选题】The annual worth of Utah’s manufacturing is greater that .
A.
that of its mining and farming combined
B.
mining and farming combination
C.
that mining and farming combined
D.
of its combination mining and farming
【单选题】The annual worth of Utah's manufacturing is greater than______.
A.
that of its mining and farming combined
B.
mining and farming combination
C.
that mining and farming combined
D.
of its combination mining and farming
【判断题】The equivalent annual worth of unequal-life alternatives can be determined by first calculating their present worth for one life cycle and then multiplying that value by the A/P factor for their LCM.
A.
正确
B.
错误
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