The room is very large and only little room_______ by the new piano.

A．are taken up

B．takes up

C．is taken up

D．is taking up

饥饿一天时血糖的主要来源途径是

A．肠道吸收

B．肝糖原分解

C．肌糖原分解

D．肾小管重吸收

E．糖异生