男性，27岁。外伤休克纠正后1天出现进行性呼吸困难，发绀，血氧进行性下降，血气分析为PaO₂5.33 kPa，PaCO₂7.99kPa。诊断为ARDs，给予辅助呼吸，此时最好的通气方式为

A．高频通气
B．压力支持通气
C．SIMV(同步刺激辅助通气)
D．控制呼吸及呼吸末正压(PEEP)
E．吸气时正压，呼气时负压通气模式

Last year the worldwide paper industry used over twice as much fresh pulp (pulp made directly from raw plant fibers) as recycled pulp (pulp made from wastepaper). A paper-industry analyst has projected that by 2010 the industry will use at least as much recycled pulp annually as it does fresh pulp, while using a greater quantity of fresh pulp than it did last year.
If the information above is correct and the analyst’s projections prove to be accurate, which of the following projections must also be accurate

A．In 2010 the paper industry will use at least twice as much recycled pulp as it did last years.

B．In 2010 the paper industry will use at least twice as much total pulp as it did last year.

C．In 2010 the paper industry will produce more paper from a given amount of pulp than it did last year.

D．As compared with last year, in 2010 the paper industry will make more paper that contains only recycled pulp.

E．(E) As compared with last year, in 2010 the paper industry will make less paper that contains only fresh pulp.