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【单选题】
关于嗜酸性粒细胞的功能，错误的是A.
产生PGE1和PGE2，抑制肥大细胞和嗜碱性粒细胞合成与释放生物活性物质
B.
吞噬肥大细胞和嗜碱性粒细胞排出的颗粒
C.
释放组胺酶等，破坏肥大细胞和嗜碱性粒细胞释放的活性物质
D.
通过免疫反应损伤蠕虫
E.
引起哮喘、荨麻疹、食物过敏等症状
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举一反三
【单选题】(第一套News report 2) 3.
A.
Almost all of them cost twice as much as products for men.
B.
Most of them cost 36% more than products for men.
C.
Levis jeans for women are on average 7% more expensive.
D.
A pink bike is more expensive than a black one in a store.
【简答题】The news was a terrible blow to her , but she will the shock soon . A ． get out B ． get through C ． get off D ． get over
【单选题】Trees can prevent the wind the earth away. [ ]
A.
from blowing
B.
to blow
C.
blow
D.
blows
【简答题】A．follow B．throw C．somehow D．blow
【单选题】From the context, the phrase 'blow your top' probably means ______.
A.
get angry
B.
blow hard
C.
become a top one
D.
need for affection
【单选题】(第一套News report 3) 7.
A.
They were terrified by the emergency landing.
B.
They finished the flight as scheduled
C.
They handled the emergency calmly.
D.
They told the passenger the real problem.
【简答题】只有糖类能为人体生命活动提供能量。 （ ）
【简答题】只有糖类能为人体生命活动提供能量．______．
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