What can scientific method help scientists do?
举一反三
- They want to know ()to help us. A: they can they do it B: that they can do it C: what they can do D: what can the do
- They want to know _____ do to help us. A: what they can B: what can they C: how they can
- What can the receptionist say to offer help to guests? ( ) A: Can I help you？ B: May I help you? C: How can I help you? D: What can I do for you?
- 向客人提供服务，可以说 A: Can I help you B: What I help you C: Anything I can do for you D: What can I do for you
- They want to know ____ do to help us. A: what can they B: what they can C: how can they D: which they can