Not eligible for officers' training if you join direct from prison.

我直接从监狱上战场 没机会参加适当的军官培训。

One of the first large-scale implementations occurred in the United States during WWI, when the military used an IQ test to sort recruits and screen them for officer training.

该方法最早的大规模应用之一是在一战时期的美国，军队使用智商测试来筛选新兵，并且为军官训练做测试。