某学生在语文课堂上经常提出疑难问题，当老师不能解答时，便对老师大加嘲讽，使得老师甚是尴尬。期末阅卷时，老师想起该学生在课堂上刁难自己的行为，就刻意给这名学生打出很低的分数。对于该老师的做法，描述正确的是（ ）。

(单选题)______, British scientist Steven Hawking opened an account o (单选题)The book was so interesting that he had read it for four hou (单选题)Please choose a person to ______ your group to take part in (单选题)Smile costs ______, but it gives so much, so we should learn (单选题)President XI Jinping welcome online criticism from netizens, (单选题)Tom is really smart. In fact, I don’t believe anybody in his (单选题)This author writes this passage to______. (单选题)For this woman, cultural divergences_______. (单选题)Multicultural couples might encounter the followings except (单选题)The second paragraph shows that_______.