第2题: [单项选择]The Bunsen burner is so named because it is thought ______ by Robert Bunsen, who was German by birth. A. having been invented B. to be invented C. to have been invented D. being invented 参考答案:C 答案解析:本句是It is thought that...这一句型的变体。由于不定式的动作发生在“It is thought…”之前,因此不定式采用完成式。另外,这里的“让”指代“The Bunsen burn
第36题: [单项选择]在Word中, (44) 便于查看长文档的结构。 A. Web版式视图 B. 页面视图 C. 普通视图 D. 大纲视图 参考答案:D 答案解析:[解析] Word中有多种视图显示方式。 大纲视图显示文档的层次结构,如章、节、标题等,这对于长文档来说,可以让用户清晰地看到它的概况。