(单选题)20: This river is so big that it is impossible to build a ( ) under it without modern technology. A: canal B: tunnel C: channel D: cable ...

(单选题)10: Shirley ( ) a book about China last year but I don't know whether she has finished it. A: has written B: wrote C: had written D: was writing ...

(单选题)4: The chances of seeing a helicopter in my hometown are one ( ) a million. A: for B: to C: in D: against ...

(单选题)30: The chancellor ( ) the fact that he was the centre of criticism and stuck to his reforms. A: discharged B: disregarded C: disguised D: disposed ...

(单选题)18: It was a close boxing game, but the boxer in blue was ( ) to be the winner by three of the four referees. A: destined B: deemed C: doomed D: adapted ...

(单选题)6: The chances of seeing a helicopter in my hometown are one ( ) a million. A: for B: to C: in D: against ...

(单选题)32: In Nearly any country, there always exists a ( ) gap between the old and the young. A: generation B: helicopter C: noticeable D: ounce ...

(单选题)26: The “cure rate” of many disease increased dramatically after penicillin was____by more doctors. A: put into practise B: put into effect C: put to use D: put into operation ...

(判断题)32: 若f(x), g(x), u(x), v(x) 都是F[x] 中的多项式, 且 u(x)f(x) + v(x)g(x) = 1,则 (f(x), g(x)) = 1. A: 错误 B: 正确 ...

(多选题)42: 物质生活的生产方式是人类社会存在和发展的基础，其表现有（ ） 。 A: 生产方式直接决定社会生活的一切方面 B: 生产方式决定整个社会的面貌 C: 生产方式决定社会制度的性质 D: 生产方式决定社会制度的更替 ...