She has a ____for a quiet and peaceful life.
A. ache
B. involvement
C. yearning
D. conscience
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Parentsofmillennialshavebeen____aboutensuringthesafetyoftheirchildren.
A. obsessive
B. impatient
C. jealous
D. spiritual
A career as an actor requires one hundred per cent ____.
A. accommodation
B. encouragement
C. promise
D. commitment
四环电阻“红 红 黑 棕”,这电阻的阻值是( )
A. 33欧
B. 22欧
C. 330欧
D. 220欧
电阻器型号命名中,第一部分表示字母R代表的是()
A. 电阻
B. 电位器
C. 敏感电阻