问题
问答题
在图中画出物体AB经过平面镜所成的像．（保留作图痕迹）
答案
由平面镜成像，像物关于平面镜对称，作出A、B关于平面镜的对称点A′、B′，连接A′B′为物体AB在平面镜中成的像．
如图：
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在图中画出物体AB经过平面镜所成的像．（保留作图痕迹）
由平面镜成像，像物关于平面镜对称，作出A、B关于平面镜的对称点A′、B′，连接A′B′为物体AB在平面镜中成的像．
如图：
| —Can you read the number 7 100 764 502 ? —Yes. It's ________. |
A. seven billion, one million, seven hundred and sixty four thousand, five hundred and two B. seven billion, one hundred million, seven hundred and sixty-four thousand, five hundred and two C. seven billion, one hundred and million, seven hundred sixty-four thousand, five hundred and two D. seven billion, one hundred million, seven hundred sixty-four thousand, five hundred two |