更多"Since the introduction of the new t"的相关试题:
[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]Why did the introduction of myxomatosis into New Zealand as a means of rabbit control fail
A. Because the nature of myxomatosis is evil.
B. Because the species of flea and mosquito that transmit the disease are absent in this country.
C. Because there are too many rabbits.
D. Because the myxomatosis virus bas drastically reduced.
[单项选择]The technique of frying food has been used since antiquity----to prepare meats, fish, vegetables, and breads.
A. to have most cultures
B. that in most cultures
C. in cultures when
D. in most cultures
[单项选择]Since the new technology was introduced last month, we()in speeding up production.
A. succeed
B. succeeded
C. have succeeded
D. will succeed
[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]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