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A.Farm workers.B.White-collar workers.C.Blue-collar workers.D.Not mentioned.

A. Farm workers.
B. White-collar workers.
C. Blue-collar workers.
D. Not mentioned.

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Rapid economic development has resulted in all the following EXCEPT______.

A. an increasing number of taxi passengers
B. the wide use of labour-saving devices
C. an increasing fast pace of life
D. people's awareness of the importance of exercise

男性,30岁。诉右上颌后牙出现反复肿痛1个月余,右颊部肿胀1周。口腔检查:右上残冠,叩诊(~++),松动Ⅰ°。X线片示:根尖阴影。右颊部红肿,触痛明显,有波动感。诊断为牙源性颊间隙脓肿,口内切开引流时切口设计应为

A. 在颊部下前庭沟之上做牙槽骨平行切口
B. 腮腺导管口之下做垂直切口
C. 在颊部上前庭沟之下做水平切口
D. 在下前庭沟之上做垂直切口
E. 在上前庭沟之下做垂直切口

我国目前税制是以直接税和间接税为双主体的税制结构。()

A. 正确
B. 错误

The______ and more educated people in the East have, to a great extent, taken up the table

A. rich
B. richer
C. poor
D. poorer

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