The most useful options of the advanced search are__________.
举一反三
- OVID-medline数据库有哪些检索方式( )。 A: Basic Search B: Search Tools C: Advanced Search D: Search Fields
- 欧洲专利局官网,提供以下哪几种检索方式( ) A: Quick search B: Classification search C: Number search D: Advanced search
- 欧洲专利局网站检索可以进行___三种方式的检索。 A: 复杂检索（complicated search） B: 简单检索（Smart search） C: 高级检索（advanced search） D: 分类检索（classification search）
- We must not ________ the enemy. They are equipped with the most advanced weapons.
- 一What do you think of English？ 一I think English is as as Chinese. A: useful B: more useful C: the most useful