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老师讲解非常仔细，课堂风格独特，轻松诙谐的感觉，是我在学校很少见的，很喜欢老师的课堂哦⊙∀⊙！
老师讲解清晰，听完课程后，解题思路，一目了然，很满意非常好对我帮助非常大
老师讲解的很细致，内容体系完善，逻辑结构清晰，容易理解，原来不懂的地方一下子变得简单多了
老师的课很幽默，也很有趣，我即收获了前所未有的知识，也收获了乐观向上的精神，加油，我会变的更好
老师会授予我们方法，每讲一个知识点都会总结某个知识点，在这里听课完全不乏味
很好，让我学到很多东西，比老师上课讲的都细，旁边还有小提示，棒棒哒！
You should never accept an invitation unless you really plan to go. You may refuse by saying，“Thank you for inviting me，but I will not be able to come.” If，after accepting，you are unable to go，be sure to tell those who are expecting you as soon as possible that you will not be there. Although it is not necessarily expected that you give a gift to your host，it is considered polite to do so，especially if you have been invited for a meal. Flowers，chocolate，or a small gift are all appropriate(合适的)。A thank-you note or telephone call after the visit is also considered polite and is an appropriate way to express your appreciation for the invitation.
1. What can you do when a British friend says，“Drop in anytime”?
A. Visit him or her at any time. B. Say no time to him or her seriously.
C. Telephone him or her before visiting. D. Visit him or her soon.
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