（）是影响孤独谱系障碍预后的关键。
参考答案：早期诊断早期干预
Of all the sports shoes, John bought _____ pair. Then he had some money for socks. [ ]
A. a cheaper
B. the most wonderful
C. the least expensive
D. an expensive
揭示客观事物发生、发展和灭亡的不同趋势的范畴是______
A．原因和结果 B．可能性和现实性C．必然性和偶然性 D．现象和本质
