题目内容
David told me the day before yesterday that you would take a trip to America ,（）
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The outside world begins creeping into the schools when the children reach the age of 13 and older, the age when they begin to make subject choices and when, according to a careers officer,“they know if they’re a scientific lot or more inclined to the arts”. The difficult part is bringing the outside world to life with all its opportunities and realities. Schools are handicapped because they are staffed by people who only know about schools. Careers services are heavily influenced by what is readily available in the area, which may be sausage making in Wiltshire or shipbuilding in riverside. Somewhere out in the world there are landscape gardeners and girls who polish Elizabeth Taylor’s diamonds, but the careers officer knows little of them. What he knows about is engineering and hairdressing (理发,美容)and opportunities in the Army. It is not surprising that this constant friction (摩擦) between grand aspirations and uninspired reality produces cynicism in both parties.Wherever they work, sixteen and seventeen-yearolds can find themselves used as cheap labor, picking things up off floors, fetching and carrying. Some are paid a reasonable wage but it is quite possible to be paid only pocket money. That’s in the livingin jobs like hotel work. There is a small breakthrough of girls into traditionally male preserves like agriculture, but that may be because very few boys now would put up with the low wages. Most girls, despite women’s liberation, head straight for hairdressing, nursing or office work and dream of being swept off their feet by the boss. A suitable title for the passage might be（）
May I stay with you and Jack（）going back to my parent's home this afternoon
In the United States, teaching is playing a very important role in society. If teachers do not teach well, students could complain about it to the administrative offices in the university. If many students do not understand, people think that the teacher does not do a good job. The teacher has big responsibility to make sure students understand. Ina sense, students are consumers and the teacher is offering services.Students have the right to evaluate their teachers, and they usually do so at the end of each course. That evaluation includes lots of aspects of teaching, such as explanation, preparation, using good examples, answering questions, and organization of classes. Students should be able to make objective judgment about the teacher.Students are supposed to read required textbooks and recommended books before class. With- out reading them, they will find it very difficult to understand the class. Basic courses on doing re- search and writing papers are taught at the beginning of the program. They teach things very concretely and clearly. Students are expected to apply what they have learned in classes to their studies.Classes are usually divided into a series of lectures and seminars (研讨会)There are some lecture classes, where the teacher just gives a lecture, and students ask questions at the end. Most graduate level classes are lectures and discussions. Participating in discussions is very important. Higher level classes involve very little lecturing. They emphasize discussion and presentation by the students. Higher level classes are taught mainly through（）
氧气雾化吸入时氧的流量是
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