题目

 “Does Jim like the English corner?” “____ He likes it very much.” A. Yes, of course.   B. Yes, he is.    C. No, he doesn’t.  D. Sorry, I don’t know. 答案：A如图所示，AO为从水中斜射向水面的入射光线，此时的折射角________入射角，如果入射光线向水面方向靠近，折射光线会________水面．