下列各组物质中，组成元素相同的是[ ]
A．甲烷和酒精
B．一氧化碳和二氧化碳
C．红磷和五氧化二磷
D．金刚石和石灰石
答案：B
在功能性垂体瘤中，最常见的是
A．生长激素瘤
B．生长激素泌乳素混合瘤
C．泌乳素瘤
D．促甲状腺素瘤
E．促肾上腺皮质激素瘤
It took ______ building supplies to construct these energy-saving houses. It took brains, too.
A．other than
B．more than
C．rather than
D．less than
