1. Before it becomes a retirement village, Silicon Valley may prove a classroom for building a global business.
    在硅谷变成一个退休村之前，它很可能成为建立全球商业的一个教学场地。

2. While regular schools still exist, the virtual classroom plays an important role in today's learning community.
    虽然常规的学校依然存在，但虚拟课堂在今天的教学领域中起着重要的作用。

3. The blackboard is in front of the classroom.
    黑板在教室的前面.

4. The children rushed out of the classroom at the end of their lesson.
    下课后孩子们冲出教室。

5. This is our classroom.
    这是我们的教室。

6. There is a blackboard in our classroom.
    教室里有一块黑板。

7. The classroom was very quiet.
    教室里鸦雀无声。

8. However, teacher prejudice isn't the only source of classroom difference.
    但是教师的偏见不是造成课堂得分差别的唯一原因。

9. Apparently, such prejudices can affect classroom achievement as well.
    很明显，这样的偏见也会影响课堂效果的。

10. Providing meaningful and quality input into the virtual classroom is an essential part of online learning.
    要花时间斟酌并仔细作答，

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