After she became a lawyer, she decided to ()criminal law.
A. work
B. practice
C. devote
D. deal
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Some of the passengers escaped serious ()in the traffic accident.
A. enquiry
B. wound
C. inquiry
D. injury
She invited 500 people()her beautiful ship.
A. abroad
B. aboard
C. board
D. broad
试样做比表面积时,料筒内穿孔板几个孔()。
A. 30个
B. 35个
C. 25个
D. 40个
搅拌及其转速将直接影响反应的混合程度和反应速度,特别是均相硝化过程。()