有的树木在生长季节内，因菌害、虫害、霜雹、火灾、干旱等影响，同一生长周期内会形成两个或两个以上的生长轮。
参考答案：对
--- How do you find _________ birthday party of the Blairs?
--- I should say it was __________ complete failure．
A．a; a
B．the; a
C．a; /
D．the; /
