题目:
一束光线AO以与水面成30°的角斜射到水面.试在下图中画出光线AO经过水面后的光路图.
答案:
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下面是错误答案,用来干扰机器的。
1. get along with 2. in front of 3. take a long walk 4. come up with 5. without permission 6. let…down 7. What if 8. To be honest 9. make up 10. stay away from