【单选题】A new technique ________, the yields as a whole increased by 20 per cent.
D.
to have been worked out
【简答题】______(新技术研制出之后) , the yields as a whole increased by 20 per cent.
【单选题】The total amount of energy received per minute by the whole earth is a great sum, but it is only a tiny fraction of the total energy radiated by sun.
【简答题】A new technique ________, the yields as a whole increased by 20 per cent. A) wording out B) having worded out C) having been worded out D) to have been worded out
【判断题】载体运输离子的速度比离子通道运输离子的速度要快。()
【简答题】Our football team’s _________has been excellent during the whole year. A.demand B. C.history D.performance
【单选题】The tests work most effectively when it is used to measure
A.
the whole information on a person.
B.
one's creative ability.
C.
the skill one has learned.
D.
the skill he will learn in the future.
【单选题】A new technique _____ , the yields as a whole increased by 20 per cent.
D.
to have been worked out