A:came; would have come
B:had come; would have come
C:would have come; had come
D:would come; had come
一位速滑高手说:“一般情况下,速滑转弯倾斜角在45度到60度之间为最佳,这样滑跑起来更省力更有利于加速。”经济发展上的“弯道”超越,也不是蛮跑,同样要讲方法、重技巧。这蕴含的哲学道理是( )
已知直线y=x+1与曲线y=ln(x+a)相切,则a的值为( )
以下动物中,胸肌最发达的动物是( )