搜题请搜索小程序“爱下问搜题”
问题
判断题
有时玻璃成份做某些改变，一般需同一种类型的原料要两种同时采用。
答案
参考答案：对
填空题
看图完成句子。
1.
Here is a ______________.
2.
I go to work by ______________.
3.
This is a pair of ______________.
4.
It's a nice ______________.
5.
These are green ______________.
6.
It's ______________ today.
查看答案
单项选择题
两眼内眦间距与睑裂左右径的理想比值（）。
A、3：4
B、4：3
C、1：1
D、5：6
E、6：5
查看答案
Here is a ______________.
I go to work by ______________.
This is a pair of ______________.
It's a nice ______________.
These are green ______________.
It's ______________ today.