SummarizationRead each of the following short paragraphs and complete the phrase or sentence that expresses the main idea of the paragraph. The first letter of the missing word is given before the blank.Paragraph.2 Besides the academic degree, teachers should also be interested in teaching. It was necessary not only that teachers should be knowledgeable in their major fields, but also that they should be skillful. In addition, the teacher must have proficiency in the target language that includes four skills:understanding, speaking, reading, and writing.2.It is really d______to be a teacher.
【正确答案】：demanding
【题目解析】：p19
