— What’s Tom’s dream?

— Tom’s dream is to trek      the jungle, but Jack would like to sail     the ocean.

A．through, through

B．through, across

C．across, across

D．across, through

中性粒细胞碱性磷酸酶主要存在于

A．原始粒细胞

B．早幼粒细胞

C．中性中幼粒细胞

D．中性晚幼粒细胞

E．中性杆状、分叶粒细胞