It is reported that 1.4 million people took part in ________ post-graduate entrance exam, ________ 13 percent increase from last year.

A．a; the

B．the; a

C．a; /

D．/; a

我国夏季普遍高温（除青藏高原外）的原因（）

①阳光直射点在北半球，各地获得光热普遍增加

②夏季风的影响

③夏季北方白昼时数较长，获得光热相对增多

④雨带推移的影响

A、①②

B、①③

C、②③

D、②④