根据以下内容回答题：Many teachers believe that the responsibilities for learning lie with the student．（1）a long reading assignment is given，instructors expect students to be familiar with the information in the reading even if they do not discuss it in class or take an examination．The（2）student is considered to be one who is motivated to leam fbr the sake of（3），not to be one interested only in getting high grades．Sometimes homework is returned with brief written comments but without a grade．Even if a grade is not given，the student is（4）for learning the material assigned．When research is assigned，the professor expects the student to take it actively and to complete it with（5）guidance．It is the student’s responsibility to find books，magazines，and articles in the library．Professors do not have the time to explain（6）a university library works；they expect students，paticularly graduate students，to be able to exhaust the reference（7）in the library．Professors will help students who need it，but prefer that their students should not be（8）dependent on them．In the United States professors have many other duties besides teaching，such as administrative or research work．（9），the time that a professor can spend with a student outside of class is limited．If a student has problems with classroom work，the student should either（10）a professor during office hours or make an appointment．

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According to the text，the best host__________ ．

The author of this article may agree with which of the following?

“It would have been bad manners to make his guests feel foolish or uncomfortable．”“bad manners”means __________．

Which of the following do you think is the best tiltle for this passage?

根据以下内容回答题：Social customs and ways of behaving change．Things which were considered impolite many years ago are now acceptable．Just a few years ago，it was considered impolite behavior. for a man to smoke on street．No man who thought of himself by smoking when a lady was in a room． Customs also differ from country to country．Does a man walk on the left or the right of a woman in your country?Or doesn’t it matter?Should you use both hands when you are eating?Should leave one in your lap，or on the table?The Americans and the British not only speak the same language but also share a large number of social customs．For example，in both America and England people shake hands when they meet each other for the first time．Als0．most Englishmen will open a door for a woman or offer their seat to a woman，and SO will most Americans．Promptness is important both in England and in America．That is，if a dinner invitation is for 7 o"clock，the dinner guest either arrives close to that time or calls up to explain his delay． The important thing to remember about social customs is not to do anything that might make other people feel uncomfortable——especially if they are your guests．When the food was served，one of the guests started to eat his meats with a knife．The other guests were amused or shocked，but the host calmly picked up his knife and began eating in the same way．It would have been bad manners to make his guest feel foolish or uncomfortable．

If one has accepted a dinner invitation，what should he do if he is to be late for the dinner?

Which of the following can best replace the phrase“foot the bill”in the first para-graph?

The writer’s attitude towards the annual l2-billion．d011ar business of wedding appears to be __________．

Which of the following is not mentioned?

Not a single company can dominate．the industry because __________．