if I master English,I will go abroad. I have master……
predict：预测 he will reach—后置定语
occupation：职业 representative
make full use of his ability 人尽其才 potential
it will allow us ：我们就会，我们能够 it—test 客观性
we can—主体在“我”，主观性强
科普性文章一般用 passive
We can obtain the results. The results are obtained.
became of became：系动词 be of importance
secondary schooling 中学教育
...and if we have taken a representative sample it will allow us to predict successfully the level of performance he will reach in a wide variety of occupations.This became of particular importance when, as a result of the 1944 Education Act, secondary schooling for all became law, ...