— We will certainly enter a good high school _______ we work hard.

— Yes. Our dream will come true by working hard.

A．as soon as

B．as long as

C．as far as

D．even if

预装式（欧式）箱式变电站由于变压器室散热条件相对较差，变压器容量宜控制在（）。

A、200kVA及以下

B、500kVA及以下

C、1000kVA及以下

D、1600kVA及以下