婴幼儿期预防佝偻病不恰当的治疗是
A.红光治疗
B.适量补充维生素D
C.推拿按摩
D.日光浴
E.生后2~3周即可坚持室外活动
参考答案:A
— Would you like to go fishing with us?
— _____, but I have to finish my homework first.[ ]
A. I'd like
B. I'd love
C. I'd love to
D. Yes
牛卵巢的主要机能有()
A.产生卵子
B.分泌雌激素
C.分泌孕酮
D.大量分泌睾酮