Traditionally, teaching and learning in UK Higher education takes place through lectures. The most familiar type of lecture is t

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问题    Traditionally, teaching and learning in UK Higher education takes place through lectures. The most familiar type of lecture is the formal presentation,  (71)   the lecturer stands at the front of a ’theatre or classroom and gives a talk  (72)   a topic which has been  (73)   in advance. The presentation usually lasts about 45 minutes and students are  (74)   to take notes and ask questions at the  (75)  .
   In recent years,  (76)  , lectures have become much more interactive.  (77)   the usual monologue which ends with questions, lecturers at many British universities now  (78)   students to play a much more active role in their learning.  (79)   that people learn better if they actively  (80)   in the learning process, and if they interact both  (81)   the topic they are studying and with other students.
   During interactive or informal lectures, students are allowed to interrupt  (82)   questions or ask the lecturer to explain  (83)   that they do not understand. The lecturer may also decide to  (84)   short group discussion tasks and then ask for feedback from each group.  These approaches help to  (85)   any problems or issues which  (86)   and to ensure that students understand the focus of the lecture.
   Lecture styles  (87)   from subject to subject, from department to department, and even from lectures to lecturer, but there is one feature that all lectures  (88)   in common: they are intended to be an introduction  (89)   a topic or to provide an overview of a subject. Students are then expected to study the topic in more  (90)   for themselves, usually by going to the library and getting some of the books and journals recommended by the lecturer.  

选项 A、vary
B、change
C、occur
D、range

答案A

解析 本题测试点为动词。四个选项的意思分别为A)vary变化、不同;B)change改变;C)occur发生; D)range变化、变动。在三个表示“变化”的动词中,选项D)range表示在一定范围内的变化。例如:The children’s ages range from 5 to 15.孩子们的年龄在5 -15岁之间。选项B)change表示发生了大的变化、改变。例如:Nothing will change him;he will always be the same,什么也改变不了他,他始终是那个样子。选项A)vary所指事物或其部分的改变常为暂时的或反复的。例如:Her health varies from good to rather weak.她的健康状况变化不定,有时良好,有时相当差。当vary用于“vary(with sth.)”或“vary(from sth. to sth.)”时,常指因某种因素而产生的改变,变动。例如:Prices vary.with the seasons.物价随季节而发生变化。根据上下文,A项符合句意,为正确答案。
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