配装眼镜的柱镜顶焦度绝对值为＞1.50至2.50D，柱镜轴位允许误差为±（）°。
A、6
B、4
C、3
D、2
参考答案：C
Choose. 选择正确答案。
1．你想知道冰箱上的是什么？你可以问：[ ]
A. Is that a fridge?
B. What's this in the fridge?
C. What's that on the fridge?
2．别人进入房间之前，你应该礼貌地问：[ ]
A. May I come in?
B. Come in, please.
C. May I have a book?
3．你想为海伦要一本抄写本，你对老师说：[ ]
A. May I have a copybook?
B. This copybook is for Helen.
C. May I have copybook for Helen?
4．想让别人看你的连衣裙，你可以说：[ ]
A. Look, this is her new dress.
B. Look at my new dress.
C. What a nice dress!
5．你不小心打翻了别人的文具盒，你应该说：[ ]
A. I'm sorry.
B. Excuse me.
C. Thank you.
为何患者和家属未经同意不能翻阅病历?
