以下为产生双眼单视的必要条件，除外()A．双眼能共同注视目标 B

搜题请搜索小程序“爱下问搜题”

问题单项选择题

以下为产生双眼单视的必要条件，除外()

A．双眼能共同注视目标

B．有良好的网膜及视神经传导功能

C．视皮质具有融像功能

D．双眼无恒定性斜视

E．双眼屈光状态必须正常

答案

参考答案：E

句型转换

要求进行句型转换，每空一词。

1. Those are pictures. (改为单数句)

That's ______ _______.

2. This is an apple tree. (改为复数句)

These _____ _____ ____.

3. There are some pictures on the wall. (变为一般疑问句)

______ ______ _____ pictures on the wall?

4. There are some dictionaries in the library. (变为否定句)

There _____ ______ dictionaries in the library.

5. There is a computer in the classroom. There are two blackboards in the classroom.(把两句合为一句)

___________________________________.

问答题简答题

口腔异味的概述。