3-6个月婴儿每天约百分之多少的热量用于生长发育()。
A.40-50%
B.35-40%
C.25-35%
D.15-23%
E.10-15%
参考答案:D
—What color is your bag?
—______.[ ]
A. It's an orange
B. It's the orange
C. It's orange
D. It's a orange
关于脊柱说法正确的是()。Ⅰ、共有24块椎骨Ⅱ、胸椎12块Ⅲ、颈椎7块Ⅳ、腰椎5块
A、Ⅰ
B、ⅠⅡ
C、ⅠⅡⅢ
D、ⅠⅡⅢⅣ