以下产能营养素单位质量产生能量最高的是()。
A、酒精
B、脂肪
C、碳水化合物
D、蛋白质
参考答案:B
I suggested not only ________ to the meeting but also give a speech there.[ ]
A. did he go
B. his going
C. should he go
D. he should go
骨肉瘤可见到的骨膜反应有()
A.Codman三角
B."日光射线"现象
C.葱皮样变
D.骨膜增厚
E.肥皂泡样变