Tham khảo tài liệu 'gmat kĩ thuật trong anh văn 1', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 1000 Real GMAT Sentence Correction Questions 1 1. A calendar stick carved centuries ago by the Winnebago tribe may provide the first evidence that the North American Indians have developed advanced full-year calendars basing them on systematic astronomical observation. A that the North American Indians have developed advanced full-year calendars basing them B of the North American Indians who have developed advanced full-year calendars and based them C of the development of advanced full-year calendars by North American Indians basing them D of the North American Indians and their development of advanced full-year calendars based E that the North American Indians developed advanced full-year calendars based 2. A 1972 agreement between Canada and the United States reduced the amount of phosphates that municipalities had been allowed to dump into the Great Lakes. A reduced the amount of phosphates that municipalities had been allowed to dump B reduced the phosphate amount that municipalities had been dumping C reduces the phosphate amount municipalities have been allowed to dump D reduced the amount of phosphates that municipalities are allowed to dump E reduces the amount of phosphates allowed for dumping by municipalities 3. A collection of 38 poems by Phillis Wheatley a slave was published in the 1770 s the first book by a Black woman and it was only the second published by an American woman. A it was only the second published by an American woman B it was only the second that an American woman published C the second one only published by an American woman D the second one only that an American woman published E only the second published by an American woman 4. A common disability in test pilots is hearing impairment a consequence of sitting too close to large jet engines for long periods of time. A a consequence of sitting too close to large jet engines for long periods of time B a consequence from sitting for long periods of time too near to large jet engines C