【单选题】•Read the article below about team-building. •Choose the correct word to fill each gap, from A, B or C on the next page. •For each question (29-40), mark one letter (A, B or C) on your Answer Sheet. T...
【单选题】矫正后金属材料硬度 性质变脆,叫冷作硬化。
【简答题】Listen to the conversation and choose the correct answer. Conversation E
【单选题】?Read the article below about cars in America. ?Choose the correct word or phrase to fill each gap from A, B, C, or D. ?For each question 21--30, mark one letter (A, B, C, or D) on your Answer Sheet. ...
【判断题】矫正后金属材料硬度提高,性质变脆叫冷作硬化。