更多"It is believed that a new technique"的相关试题:
[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]After the new technique was introduced, the factory produced（）tractors in 1988 as 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 technique having been worked out, the yields as a whole increased by 20 percent.（）
A. 一项新技术已经被研究出来，总产量在整体上已经提高了20%。
B. 一项新技术已经被研究出来，总产量提高了20%。
C. 由于研究出了一种新技术，总产量提高了20%。
D. 由于研究出了一种新技术，总产量在整体上已经提高了20%。
[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]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]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 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 increase by 20 percent.
A. working out
B. having been worked out
C. having worked out
D. to have been worked out
[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 ______ out, the yield increases by 20%.
A. having working
B. having been worked
C. at a loss
D. for good
[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
