单选题:Student: I've got the number for this book, but I wonder whe 题目分类:英语运用能力测试 题目类型:单选题 查看权限:VIP 题目内容: Student: I've got the number for this book, but I wonder where I can find it.Librarian:__ 参考答案: 答案解析:
美国国家专利局授予发明者的专利的数量,1971年为56 000项,1978年降低到45 000项。而用于科研与开发的国家 美国国家专利局授予发明者的专利的数量,1971年为56 000项,1978年降低到45 000项。而用于科研与开发的国家投入,1964年达到国民生产总值的3%, 分类:英语运用能力测试 题型:单选题 查看答案
By saying "While it's true that be they scientific or artist By saying "While it's true that be they scientific or artistic" (Lines 1-3, Para 分类:英语运用能力测试 题型:单选题 查看答案