2020年7月大学英语四级考试真题试卷Part I Writing(30minutes) Directions:For this part,you are allowed30minutes to write an essay on the u of translation apps.You can start your essay with the ntence"The u of tr
blackbody source to an uncertainty not exceeding 0.1°C.4级成绩7.Procedure加州理工大学7.1Mount a target plate and orient the target in correspon-商学院英文奥尔布赖特dence with some integral hour marking on an imaginary c