中国大学MOOC: Smallpox can be effectively prevented by _______.
举一反三
- Smallpox can be effectively prevented by _______. A: vaccines B: penicillin C: antibiotics D: vitamines
- 中国大学MOOC:"Paragraphs can convey data more clearly and effectively than bullet points for texts.";
- 中国大学MOOC: How to close a negotiation effectively?
- 中国大学MOOC: What materials in the following can serve as evidence to support the thesis “this new teaching method has helped students learn more effectively and efficiently”? （多选）
- 中国大学MOOC:"In order to take a message effectively, which of the followings is NOT correct?";