青书学堂: (2). (单选题) 2. Nowadays a demand for this specialized type of service has been created because_______. (本题2.0分)
举一反三
- 青书学堂: (5). (单选题) 5. The curriculum vitae has become such an important document because _______. (本题2.0分)
- 青书学堂: (2). (单选题) It can be inferred that__________.(本题2.0分)
- 青书学堂: (2). (单选题) Which of the following is NOT true?(本题2.0分)
- 青书学堂: (单选题) — ____________________________ — It has been a pleasure. Goodbye! — Goodbye!
- 青书学堂: (单选题) 药物的t1/2是指：(本题2.0分)