2. 考研
  3. Large lecture classes are frequently regarded as a necessary evil. Such classes【C1】______be offered in many colleges and univers

Large lecture classes are frequently regarded as a necessary evil. Such classes【C1】______be offered in many colleges and univers

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问题     Large lecture classes are frequently regarded as a necessary evil. Such classes【C1】______be offered in many colleges and universities to meet high student【C2】______with limited faculty resource,【C3】______teaching a large lecture class can be a【C4】______task. Lecture halls are【C5】______large, barren, and forbidding. It is difficult to get to know students. Students may seem bored in the【C6】______environment and may【C7】______read newspapers or even leave class in the middle of a lecture. Written work by the students seems out of the【C8】______.
    Although the challenges of teaching a large lecture class are【C9】______. they are not insurmountable. The solution is to develop【C10】______methods of classroom instruction that can reduce, if not【C11】______. many of the difficulties【C12】______in the mass class. In fact, we have【C13】______at Kent State University teaching techniques which help make a large lecture class more like a small【C14】______.
    An【C15】______but important benefit of teaching the course【C16】______this manner has involved the activities of the teaching assistants who help us mark students’ written work. The faculty instructor originally decided to ask the teaching assistants for help【C17】______this was the only practical way to【C18】______that all the papers could be evaluated. Now those【C19】______report enjoying their new status as "junior professors", gaining a very different【C20】______on college education by being on the other side of the desk, learning a great deal about the subject matter, and improving their own writing as a direct result of grading other students’ papers.
【C18】
选项 A、ensure
B、assure
C、secure
D、certify
答案B
解析 本题测试词义搭配。ensure意为“确保，保证”，通常构成“ensure+that从句”结构：assure意为“保证，确保”，通常构成“assure somebody+that从句”结构：secure意为“保护，使安全”，不带从句；certify意为“证明……是真实、正确的”。所填之词的后面省略了students，所以应选B。
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