- 搜标题
- 搜题干
- 搜选项
单项选择题
20. Speaking at an international conference, Dr. Young pointed out that police officers should use force only and that the amount of force must be in proportion to the threat they encounter.
A、as a last resort
B、on legitimate ground
C、something of a strain
D、on impulse
B、on legitimate ground
C、something of a strain
D、on impulse
