通读下面的短文，回答题。"It" s no use， Mum，

: 假定你是中国文化知识大赛组委员会主席李华，写信祝贺参赛选手John Smith获得本次
   大赛一等奖，并通知其以下事项：
1．出席12月10日晚在北京友谊宾馆举行的庆祝晚会。2．赢得了免费中国10 Et游。
3．如果能够参加旅游，应将信中所附表格填好，并准备好护照（passport）。
组委会将负责
其他相关事宜。
注音．词数为100左右
October 17th，2012
Dear Mr． John Smith，
                                               Sincerely yours，
                                                 Li Hua
Chair
                                                Committee of the Chinese Culture Contest

: 阅读下列短文，回答题。
提示：Tom和Lester两人正在聊天，彼此问对方上一个周末是怎样度过的。Tom说他上星期六晚上同Simon一道吃了饭，而Lester说他星期日去电影院看了一场电影。、
Tom:51?
Lester:Not bad． What about you?
Tom :blot bad ，either． What did you do last weekend?
Lester: Well，52
Tom : Oh，53?Lester: The Lion Kirng．
Tom: Oh， really?54?
Lester: Yes， it was good．55?
Tom:I went out to dinner with Simon．
Lester: Oh，you must have had a great time． By the way， how is Simon?
Tom : He" s fine．
第51题 ________
查看材料

: The reason why some professors ask students to make presentations and lead discussions is that__________．查看材料

A.Student participation is not common in the classroom in many courses like society．
B.Some professors want to control the classroom discussion．
C.Some professors usually want the students to take part in the teaching of science and mathematics．
D.New educational trends have turned up in teaching of natural sciences such as chemist．

: 通读下面的短文，回答题。
Student participation （参与）in the classroom is not only accepted but also expected of thestudent in many courses． Some professors base part of the final grade on．the student" s oral participa-tion． Although there are formal lectures during which the student has a passive role （i． e．， listeningand taking notes）， many courses are organized around classroom discussions， student questions， andinformal lectures． In graduate discussions the professor has a "manager" role and the students makepresentations and lead discussions． The students do the actual teaching in these discussions．

A professor"s teaching method is another factor（因素） that determines the degree and ，type ofstudent participation． Some professors prefer to control discussion while others prefer to guide theclass without controlling it． Many professors encourage stud
In the teaching of science and mathematics， the controlling mode of instruction is generally， tra-ditional， with teachers presenting formal lectures and students taking notes． However， new educationaltrends have turned up in the humanities and social
A.science and mathematics
B.the humanities and social sciences
C.informal lecture courses
D.discussion courses

: From the passage we know that education in the humanities and society 查看材料