The Olympic Games，________in 776 BC, did not include women players until 1912.

A．first playing

B．to be first played

C．first played

D．to be first playing

读图，完成下列各题。(4分)

⑴该图表示的是______季的季风。判断理由是____________________________________。

⑵这一季节，我东莞市气候的主要特点是________________________________。

⑶这一季节，我国主要的气象灾害是_____________________________________。