更多"A new technique ______ out, the yie"的相关试题:
[单项选择]A new technique ______ out, the yield increases by 20%.
A. having working
B. having been worked
C. at a loss
D. for good
[单项选择]After the new technique was introduced, the factory produced ________ tractors in 1998 than the year before.
A. as twice many
B. as many twice
C. twice as many
D. twice many as
[单项选择]A new digital technique has been developed that can identify whether two works of art are by the same artist.
A. 人们发展完善了一项新的数字技术，以判断是否同一艺术家在做两件艺术工作。
B. 假如由同一艺术家完成两件艺术品，这项识别技术就能发展完善。
C. 一项能够识别两件艺术作品是否出自同一艺术家之手的新数字技术已经被开发出来。
D. 人们开发出了一项新的数字技术，这项数字技术能够判断两件艺术工作是否为同一艺术家所做。
[单项选择]Since the introduction of the new technique,the production cost______greatly．
A. reduces
B. is reduced
C. is reducing
D. has been redused
[单项选择]Since the introduction of the new technique, the production cost ______ greatly.
A. reduces
B. is reduced
C. is reducing
D. has been reduced
[单项选择]A new technique ______ , the gross output increased by 20 percent.
A. working out
B. having worked out
C. having been worked out
D. to have been worked out
[单项选择]A new technique _____, the output as a whole increased by 20 percent.
A. working out
B. having worked out
C. to have been worked out
D. having been worked out
[单项选择]It is believed that a new technique to ______ will probably be found.
A. recycle old aluminum products
B. discover more bauxite ores
C. make aluminum by putting ore particles under water
D. take out aluminum magnetically from poorer ores
[单项选择]A new technique______, the yields as a whole increased by 20 percent.
A. working out
B. having worked out
C. having been worked out
D. to have been worked out
[单项选择]A new technique ______, the yields as a whole increased by 20 percent.
A. working out
B. having been worked out
C. having worked out
D. to have been worked out
