Fill in the blanks with the words below. Use one word once only. 请用下面所给单词填空。友情提示:填到句子中的词汇不需要做任何 变形 。 context critical effective essential revise 1. He presented some complex ideas in a(n) ______ way. 2. It's ______ to express your conclusion as simply as possible. 3. Try to find out about the ______ to your professors' views. 4. He has been ______ of the accepted view of the subject. 5. If you change your mind, you need to ______ the conclusion.