(1)完成图甲中的光路图;
(2)在图乙中画出平面镜的位置(保留作图痕迹)
---Goodbye, Peter, remember me to your parents.
---_______.
A.It’s very kind of you to say so.
B.Thanks, I will.
C.You are so kind.
D.Thanks, what a good idea.
卵巢肿瘤的高危因素不包括:
A.高血压
B.家族聚集性
C.环境因素
D.内分泌因素
E.未孕