题目内容

Dirt and disease go ________.
A shoulder by shoulder
B arm in arm
C hand in hand
D face to face

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There is growing public concern about the cost, quality and ________ of health care.
A accessibility
B predictability
C susceptibility
D possibility

工器具及生产家具购置费属于工程建设其他费用。()

一级反应半衰期公式为()

A. t1/2=0．1054／k
B. t1/2=0．693／k
C. t1/2=C0／2k
D. t1/2=0．693k
E. t1/2=1／C0k

易氧化的药物通常结构中含有()

A. 酯键
B. 饱和键
C. 双键
D. 苷键
E. 酰胺键