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Conclusions Long term addition of beta blocker Metoprolol to standard therapy may profoundly improve cardiac function, clinical symptoms, LVEF and CI in patients with refractory heart failure when compared with patients without Metoprolol treatment.

结论：长期服用β1受体阻滞剂美托洛尔可显著改善难治性心力衰竭患者症状、NYHA分级、生活质量和提高左室射血分数及心脏指数。

Deathly Hallows is a wonderfully evocative-without-telling-us-much title; one that can only leave us enthralled in speculation.

DeathlyHallows这个题目巧妙地吸引我们却又不向我们透漏太多线索, 只让我们在无尽的猜测中徘徊.

The verb should be in the plural, e . g . " have " in " they have " .

这个动词应用复数形式, 如theyhave中的 have.

A tailor who specialized in them built himself agrand mansion, which locals called Piccadilly Hall.

有个优秀的裁缝为自己建了一栋大厦, 坐落在皮卡迪利大街(PiccadillyHall)上.

Gary Halbert , one of the top marketing geniuses in the world, talks about this principle.

世界顶级的销售天才 GaryHalbert 曾说过这个原则.

Tony Hayward, BP chief executive, yesterday said oil supply was exceeding current energy demand.

英国石油(BP)首席执行官唐熙华(TonyHayward)昨日表示,当前石油供应超出了需求.