17-19题要求有例子的完整答案。建议你每道题至少花费半个小时。

17-19题要求有例子的完整答案。建议你每道题至少花费半个小时。的英文翻译

基本释义

• Questions 17-19 require full answers with examples where appropriate. You are advised to spend a minimum of half an hour on each question.